Perhaps you should try some spelling variations:
liu yaning » liu ying
liu yang » liu ying, lijun yang, li yan
liu ming » liu ying
thu minh » thi minh, chi minh, vu minh
liu jin » liu ying
lu minh » le minh, vu minh, tu minh
liberation » deliberation, vibration, iteration

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((liu jin) or (((liu yang) or (((liu ming) or (liu yaning))))))) or (((qu ming) or (((lu minh) or (thu minh)))))) (people's liberation _)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((liu jin) OR (((liu yang) OR (((liu ming) OR (liu yaning))))))) OR (((qu ming) OR (((lu minh) OR (thu minh)))))) (people's liberation _).
• Adding a wildcard symbol may retrieve word variants: ((((liu jin) or (((liu yang) or (((liu ming) or (liu yaning))))))) or (((qu ming) or (((lu minh) or (thu minh)))))) (people's liberation _)*.