Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, ca thuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua thong » cua khong, cua tong, suat thong
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - canh tranh ((cua thong) or (cua thuong)) ((cong tan) OR (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - canh tranh ((cua thong) OR (cua thuong)) ((cong tan) OR (cong san)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - canh tranh ((cua thong) or (cua thuong)) ((cong tan) OR (cong san)) phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh tranh ((cua thong) or (cua thuong)) ((cong tan) OR (cong san)) phan cau*.