Perhaps you should try some spelling variations:
states relations » states reflections (Expand Search), strategic relations (Expand Search), state regulation (Expand Search)
state relations » state regulation (Expand Search), strain relations (Expand Search), strait relations (Expand Search)
water relations » power relations (Expand Search), order relations (Expand Search), gender relations (Expand Search)
hole state » hole ststem (Expand Search), how state (Expand Search), idle state (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: (( china–hole state relations) OR ( china–hole ((states relations) OR (water relations))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( china–hole state relations) OR ( china–hole ((states relations) OR (water relations))))".
• Adding a wildcard symbol may retrieve word variants: (( china–hole state relations) OR ( china–hole ((states relations) OR (water relations))))*.