Perhaps you should try some spelling variations:
phuong cham » phuong phap, phuong thao
chuong dung » chuong duong, cuong dung, phuong dung
dung dang » dung dan, dung dong, dung danh
dang than » dang thanh, sang than, dang tran
thieu ca » thieu cac, thieu cua, hieu ca
than cap » khan cap, thanh lap, thanh cac

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

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