Perhaps you should try some spelling variations:
nhung hong » nhung chong, nhung huong, nhung phong
hieu cach » chieu sach, hieu ca, biet cach
doanh cua » doanh luan
hieu cac » hieu luc, hieu va, hieu van
manh cua » ban cua
hong van » hoang van, thong van, phong van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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 cach) or (hieu cac)) - hanh ((manh cua) or (doanh cua)) nhung hong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu cach) OR (hieu cac)) - hanh ((manh cua) OR (doanh cua)) nhung hong van toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu cach) or (hieu cac)) - hanh ((manh cua) or (doanh cua)) nhung hong van toan ban*.