Perhaps you should try some spelling variations:
trinh luong » trinh duong, trinh huong, trinh xuong
luong quan » thong quan, duong qua
kiem soat » kiem toan
dung lan » dung luan, dung land, dung lam
quan van » luan van, quan va, quan luan
van bien » van tien, van hien, vat bien
va kiem » van kien
bien so » bien doi
lan va » luan va, lanh va, lan van
tin » tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung lan va kiem soat ) or ( trinh luong quan van bien so ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung lan va kiem soat ) OR ( trinh luong quan van bien so ))*.