Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
toc chieu » doc hieu, hoc thieu, doi chieu
hanh tram » hanh tam, hanh trang, thanh tran
van thong » van thuong, van phong, va thong
tram van » tran van, tam van, trang van
cong san » cong tac
toan tap » toan ban
toan cao » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc chieu) or (toc thieu)) xanh - hanh tram van thong cong san ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc chieu) OR (toc thieu)) xanh - hanh tram van thong cong san ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((toc chieu) or (toc thieu)) xanh - hanh tram van thong cong san ((toan tap) or (toan cao))*.