Perhaps you should try some spelling variations:
dung quan » dung quang, dung luan, luong quan
kiem soat » kiem toan
dung dam » dung dat, dung lam, dung dan
van kiem » va kiem, van kien, van hieu
quan van » luan van, quan va, quan luan
thi nang » thi cong, ki nang, thi hanh
dam van » dao van, nam van, pham van
thi van » thi lan, thi hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( trinh dung dam van kiem soat ) or ( tin dung quan van ((thi van) OR (thi nang)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( trinh dung dam van kiem soat ) OR ( tin dung quan van ((thi van) OR (thi nang)) ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( trinh dung dam van kiem soat ) or ( tin dung quan van ((thi van) OR (thi nang)) ))*".