Perhaps you should try some spelling variations:
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tao thiet » tai thiet, tay thiet, toan thiet
hanh tran » hanh trang, thanh tran, hanh tram
dung cong » dung trong
tran tin » tran tien, trang tin, toan tin
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thiet) or (tao thiet)) tach - hanh tran tin dung cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thiet) OR (tao thiet)) tach - hanh tran tin dung cong tan toan ban*.