Perhaps you should try some spelling variations:
trien nhan » trien nha, tri nhan, trien khai
toc trien » buoc trien, toc thieu, moc tren
cong cong » cong dong, dung cong, dang cong
dang hanh » dang thanh, ban hanh, dang van
anh nang » ganh nang, anh bang, anh dang
nang dua » nang du, nang suat, nang quan
hanh ca » hanh cac, hanh cat, hanh cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc trien nhan - anh nang dua ((cong cong) or (trong cong)) dang hanh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc trien nhan - anh nang dua ((cong cong) OR (trong cong)) dang hanh ca*.