Perhaps you should try some spelling variations:
liu ming » liu ying, lu minh, qu ming
liu yang » liu ying, lijun yang, liu yaning
thi minh » chi minh, thi hanh, thi bich
thu minh » chi minh
liu jin » liu ying
tu minh » duc minh
vu minh » vu dinh, van minh
hardy » hard

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 ming) or (liu yang))))) or (((((tu minh) OR (thi minh))) or (((thu minh) or (vu minh)))))) (people's vibration hardy)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((liu jin) OR (((liu ming) OR (liu yang))))) OR (((((tu minh) OR (thi minh))) OR (((thu minh) OR (vu minh)))))) (people's vibration hardy)*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((liu jin) or (((liu ming) or (liu yang))))) or (((((tu minh) OR (thi minh))) or (((thu minh) or (vu minh)))))) (people's vibration hardy)*".