Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doan tien » doan thien, doanh tien, toan tien
tien anh » tieng anh, tien manh, dien anh
trinh va » trinh van, trinh vat, trinh ve
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doan tien anh - hanh trinh va nhung ((cong dan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doan tien anh - hanh trinh va nhung ((cong dan) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: doan tien anh - hanh trinh va nhung ((cong dan) or (cong san)) toan cau*.