Perhaps you should try some spelling variations:
huong loan » phuong loan, huong lan, phuong doan
hieu suat » hieu luat, hieu qua
kiem soat » kiem toan
loan va » doan va, toan va, loai va
va hieu » van hieu, va dieu, va hien
tuan va » toan va, luan va, than va
quan va » quan vi, quan ha, luan va

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

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