Perhaps you should try some spelling variations:
liu yaning » liu ying
thu minh » thi minh, chi minh
liu yang » liu ying, lijun yang, li yan
liu ming » liu ying, lu minh
vu minh » vu dinh, van minh
tu minh » thi minh, duc minh
liu jin » liu ying
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 (((tu minh) or (((vu 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 (((tu minh) OR (((vu 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 (((tu minh) or (((vu minh) or (thu minh)))))))) (people's liberation _)*.