Perhaps you should try some spelling variations:
khoi thuat » ki thuat, hoc thuat
thuat tach » thuat sach, thuat mach, thuat tac
thanh tung » thanh cong
dung cong » dung trong
tung ung » tuong ung, dung ung, cung ung
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: khoi thuat tach - thanh tung ung dung cong tac than cap~.
• Adding a wildcard symbol may retrieve word variants: khoi thuat tach - thanh tung ung dung cong tac than cap*.