Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, ca thuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
manh hung » anh huong
hoc hieu » hoc thieu, hoc hien, doc hieu
hung cua » huong cua, chung cua, khung cua
cong san » cong tac
toan cau » 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: hoc hieu manh - manh hung cua thuong ((cong san) or (cong trinh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - manh hung cua thuong ((cong san) OR (cong trinh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - manh hung cua thuong ((cong san) or (cong trinh)) toan cau*.