Perhaps you should try some spelling variations:
"cook gregory iii" » "chua gregory iii" (Expand Search), "goh gregory iii" (Expand Search), "kirk gregory iii" (Expand Search), "cook gregory kia" (Expand Search)
"gan gregory iii" » "tan gregory iii" (Expand Search), "a gregory iii" (Expand Search), "goh gregory iii" (Expand Search), "gan gregory kia" (Expand Search)
"ho gregory iii" » "ho gregory kia" (Expand Search), "goh gregory iii" (Expand Search), "a gregory iii" (Expand Search), "chua gregory iii" (Expand Search)
"koh gregory kok" » "goh gregory kok" (Expand Search), "koay gregory kok" (Expand Search), "kaw gregory kok" (Expand Search), "koh gregory k" (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: (("gan gregory iii") OR ((("koh gregory kok") OR ((("ho gregory iii") OR ("cook gregory iii"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"gan gregory iii\") OR (((\"koh gregory kok\") OR (((\"ho gregory iii\") OR (\"cook gregory iii\"))))))".
• Removing quotes may allow a broader search: (( gan gregory iii ) OR ((( koh gregory kok ) OR ((( ho gregory iii ) OR ( cook gregory iii )))))).
• Adding a wildcard symbol may retrieve word variants: (("gan gregory iii") OR ((("koh gregory kok") OR ((("ho gregory iii") OR ("cook gregory iii"))))))*.