Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung hoc » trung quoc
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tan » cong tac, cong san, cong thanh

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 - thanh ((trung tam) or (trung hoc)) nhung cong tan thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh ((trung tam) OR (trung hoc)) nhung cong tan thanh cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh ((trung tam) or (trung hoc)) nhung cong tan thanh cau*.