Perhaps you should try some spelling variations:
dong thanh » truong thanh
hanh tang » hanh trang, anh tang, hanh mang
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
tang va » trang va, tang van, thang va
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - hanh tang va hang ((cong dan) or (((cong tan) or (dong thanh)))) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - hanh tang va hang ((cong dan) OR (((cong tan) OR (dong thanh)))) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh tang va hang ((cong dan) or (((cong tan) or (dong thanh)))) toan cau*.