Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thanh caco » hanh cac, thanh bac, thanh ca
hieu manh » chieu xanh, hieu nganh, dieu hanh
thanh cac » hanh cac, thanh bac, thanh ca
hoc hieu » hoc thieu, hoc hien, doc hieu
tuong ho » tong hop
cong van » cong vang, cong san, song van
tung ho » trung hoc, trung hoa, tong hop

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 ((tung ho) or (tuong ho)) nhung cong van ((thanh caco) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh ((tung ho) OR (tuong ho)) nhung cong van ((thanh caco) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh ((tung ho) or (tuong ho)) nhung cong van ((thanh caco) or (thanh cac))*.