Perhaps you should try some spelling variations:
quy dinh » quyet dinh
liu ming » liu ying, qu ming
thu minh » thi minh, chi minh, vu minh
liu yang » liu ying, lijun yang, liu yaning
lu minh » le minh, vu minh, tu minh
lu ninh » ly ninh, le ninh, phu ninh
liu jin » liu ying
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 (((((lu minh) or (lu ninh))) or (((thu minh) or (((vu dinh) OR (quy dinh)))))))) (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 (((((lu minh) OR (lu ninh))) OR (((thu minh) OR (((vu dinh) OR (quy dinh)))))))) (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 (((((lu minh) or (lu ninh))) or (((thu minh) or (((vu dinh) OR (quy dinh)))))))) (people's vibration hardy)*".