Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
phong cong » phong chong, thong cong, chong cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
thien anh » thien danh, tien anh, thien chanh
tranh ve » trinh ve, thanh ve, tranh va
ve phong » va phong, van phong, mo phong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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) or (((thien anh) or (thien thanh)))) - canh tranh ve phong cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (((thien anh) OR (thien thanh)))) - canh tranh ve phong cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (((thien anh) or (thien thanh)))) - canh tranh ve phong cong tan than cau*.