Perhaps you should try some spelling variations:
phuong cham » phuong phap, phuong thao
thong cong » trong cong, tong cong, thong thong
cong danh » cuong danh, cong dan, cong thanh
danh than » danh thanh, danh thang, danh nhan
toc hieu » toc thieu, doc hieu, hoc thieu
than cap » khan cap, thanh lap, thanh cac
hieu ca » hieu cac, hieu cua, hieu va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu ca - thanh ((phuong cham) or (phung van)) thong cong danh than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu ca - thanh ((phuong cham) OR (phung van)) thong cong danh than cap*.