Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cong thanh » dong thanh, cong trinh, truong thanh
trinh va » trinh van, trinh vat, trinh ve
cong tan » cong tac, cong san, cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
chao ho » cho ho, chao chao, chat hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ho manh - hanh trinh va nhung ((cong tan) OR (cong thanh)) ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ho manh - hanh trinh va nhung ((cong tan) OR (cong thanh)) ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ho manh - hanh trinh va nhung ((cong tan) OR (cong thanh)) ((toan cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: chao ho manh - hanh trinh va nhung ((cong tan) OR (cong thanh)) ((toan cau) or (toan ban))*.