Perhaps you should try some spelling variations:
tinh luong » tinh huong, dinh luong, minh luong
luong quan » thong quan, duong qua
quang quan » quang tuan, quang uan, quan quan
hieu luat » hieu qua
kiem soat » kiem toan
hieu hoa » tieu hoa, dieu hoa, hiep hoa
quan van » luan van, quan va, quan luan
van kiem » va kiem, van kien, van hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh luong quan tri ((hieu luat) or (hieu hoa)) ) or ( tinh quang quan van kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh luong quan tri ((hieu luat) OR (hieu hoa)) ) OR ( tinh quang quan van kiem soat )).
• Adding a wildcard symbol may retrieve word variants: (( tinh luong quan tri ((hieu luat) or (hieu hoa)) ) or ( tinh quang quan van kiem soat ))*.