Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hanh trinh » canh tranh, hanh chinh
tien anh » tien manh, dien anh, tien thanh
trinh va » trinh van, trinh vat, trinh ve
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: ton ((tien anh) or (tieng anh)) - hanh trinh va thuong cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ton ((tien anh) OR (tieng anh)) - hanh trinh va thuong cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ton ((tien anh) or (tieng anh)) - hanh trinh va thuong cong tac toan cao*.