Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
van thong » van thuong, van phong, va thong
doc hieu » toc thieu, hoc hien
hanh dam » thanh dam, hanh lam, hanh nam
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
dam van » dao van, nam van, pham van

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 - hanh dam van thong ((cong dan) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doc hieu)) xanh - hanh dam van thong ((cong dan) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doc hieu)) xanh - hanh dam van thong ((cong dan) or (cong tan)) toan cau*.