Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
van phong » van dong, hai phong
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu, hoc hien
hanh tam » thanh tam, nhanh tam, hanh tram
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tap
tam van » nam van, dam van, tom van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doc hieu)) xanh - hanh tam van phong ((cong dan) or (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doc hieu)) xanh - hanh tam van phong ((cong dan) OR (cong thanh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doc hieu)) xanh - hanh tam van phong ((cong dan) or (cong thanh)) toan cau*.