Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
duoc lieu » du lieu
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh va » trinh van, trinh vat, trinh ve
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

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