Perhaps you should try some spelling variations:
"carl hermawan bethe" » "care hermawan bethe" (Expand Search), "car hermawan bethe" (Expand Search), "cars hermawan bethe" (Expand Search), "carl herman bethe" (Expand Search), "carl darmawan bethe" (Expand Search), "carl herwan bethe" (Expand Search)
"carlo hermawan bethe" » "careo hermawan bethe" (Expand Search), "caro hermawan bethe" (Expand Search), "carso hermawan bethe" (Expand Search), "carlo herman bethe" (Expand Search), "carlo darmawan bethe" (Expand Search), "carlo herwan bethe" (Expand Search)
"call hermawan bethe" » "call herman bethe" (Expand Search), "call darmawan bethe" (Expand Search), "call herwan bethe" (Expand Search), "all hermawan bethe" (Expand Search), "cell hermawan bethe" (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("carl hermawan bethe") OR ("carlo hermawan bethe"))) OR ("call hermawan bethe"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"carl hermawan bethe\") OR (\"carlo hermawan bethe\"))) OR (\"call hermawan bethe\"))".
• Removing quotes may allow a broader search: (((( carl hermawan bethe ) OR ( carlo hermawan bethe ))) OR ( call hermawan bethe )).
• Adding a wildcard symbol may retrieve word variants: (((("carl hermawan bethe") OR ("carlo hermawan bethe"))) OR ("call hermawan bethe"))*.