Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan thong » quang thong, quan trong, xuan thong
mot chieu » doi chieu, ho chieu
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chi)) xanh - hanh trinh quan thong ((cong dan) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chi)) xanh - hanh trinh quan thong ((cong dan) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chi)) xanh - hanh trinh quan thong ((cong dan) or (cong tac)) toan cau*.