Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
thanh tra » thanh toan, thanh hoa
tan nhanh » tai nhanh, tan nhan, tan thanh
nhanh cau » nhanh cay, thanh chau, nhanh ha
doc hieu » toc thieu, hoc hien
tra toan » tranh toan, tra thanh, tran doan
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (doc hieu)) xanh - thanh tra toan thong cong tan nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doc hieu)) xanh - thanh tra toan thong cong tan nhanh cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doc hieu)) xanh - thanh tra toan thong cong tan nhanh cau*.