Perhaps you should try some spelling variations:
phuong cham » phuong phap, phuong thao
cong luong » cong thuong, nang luong, cong dong
luong dung » cuong dung, duong dung, vuong dung
dung khang » dung thang, quang khang, dung nhan
khang cap » khan cap, khang chan, hang ca
thieu ca » thieu cac, thieu cua, hieu ca

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)) cong luong dung khang cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu ca - thanh ((phuong cham) OR (phung van)) cong luong dung khang cap*.