Perhaps you should try some spelling variations:
"china–holy strain relations OR " » "china–holy strait relations OR " (Expand Search), "china–holy strain relationship OR " (Expand Search), "china–holy strain relaxation OR " (Expand Search), "china–coli strain relations OR " (Expand Search)
secant relations » asean relations (Expand Search), strait relations (Expand Search), cost relations (Expand Search)
event relations » defence relations (Expand Search), defense relations (Expand Search), ethnic relations (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"china–holy strain relations) OR (\"china–holy ((secant relations) OR (event relations))))~".
• Removing quotes may allow a broader search: (( china–holy strain relations) OR ( china–holy ((secant relations) OR (event relations))))~.
• Adding a wildcard symbol may retrieve word variants: (("china–holy strain relations) OR ("china–holy ((secant relations) OR (event relations))))*.