Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
bang phan » nang phan, bang nhan, bang thanh
doc hieu » toc thieu, hoc thieu, hoc hien
trung ha » trung hoc, trung tam, trung cap
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: doc hieu manh - thanh trung ha ((nhung cong) or (thong cong)) bang phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - thanh trung ha ((nhung cong) OR (thong cong)) bang phan cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - thanh trung ha ((nhung cong) or (thong cong)) bang phan cau*.