Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hieu manh » chieu xanh, hieu nganh, dieu hanh
trang cua » tranh cua, tang cua, thang cua
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
hoc hieu » hoc thieu, hoc hien, doc hieu
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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 - hanh ((trang cua) or (trung cua)) ((nhung cong) or (dung cong)) dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh ((trang cua) OR (trung cua)) ((nhung cong) OR (dung cong)) dan than ban.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh ((trang cua) or (trung cua)) ((nhung cong) or (dung cong)) dan than ban*.