Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
thuong cong » thong cong, thuong con, thuong dong
hieu nganh » vien nganh, hiem ngan, nghiep nganh
hieu manh » chieu xanh, dieu hanh, hien hanh
truong va » truong dai, truong cao, truong dao
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh 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: doc ((hieu manh) or (hieu nganh)) - thanh truong va thuong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu manh) OR (hieu nganh)) - thanh truong va thuong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) or (hieu nganh)) - thanh truong va thuong cong dan toan cao*.