Perhaps you should try some spelling variations:
minh luong » dinh luong, minh tuong, minh cuong
tinh huong » dinh huong, tinh quang, anh huong
huong quan » luong quan, cuong quan, vuong quan
quang van » quan van, quang uan, quang va
quang ban » quang binh, quang tuan, quang tran
hieu suat » hieu luat, hieu qua
kiem soat » kiem toan
quan ha » quan he
ha kiem » hoa kiem, va kiem, phan kiem

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( minh luong ((quang van) OR (quang ban)) hieu suat ) or ( tinh huong quan ha kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( minh luong ((quang van) OR (quang ban)) hieu suat ) OR ( tinh huong quan ha kiem soat )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( minh luong ((quang van) OR (quang ban)) hieu suat ) or ( tinh huong quan ha kiem soat ))".
• Adding a wildcard symbol may retrieve word variants: (( minh luong ((quang van) OR (quang ban)) hieu suat ) or ( tinh huong quan ha kiem soat ))*.