Perhaps you should try some spelling variations:
tinh tran » tinh trang, tinh toan, tinh than
tran quan » tran quang, tran xuan, tran tuan
kiem soat » kiem toan
dinh dung » dinh duong, dinh hung, tinh dung
quan may » quan tay, quang tay, quan ly
may kiem » mang kiem, may dien, tac kiem
dung qua » duong qua, dung quan, dung cua
kiem sat » giam sat, kiem va, diem sai
va kiem » van kien
qua va » quan va, qua van, vua va

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh tran quan may kiem soat ) or ( dinh dung qua va kiem sat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh tran quan may kiem soat ) OR ( dinh dung qua va kiem sat ))*.