Perhaps you should try some spelling variations:
trien nganh » trien nhan, vien nganh, tin nganh
toc trien » buoc trien, toc thieu, moc tren
hanh dung » thanh dung, anh dung, hanh dong
dang cong » dung cong
cong cong » cong dong, trong cong, dung cong
dang hanh » dang thanh, ban hanh, dang van
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 nganh - hanh dung luan ((dang cong) or (cong cong)) dang hanh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc trien nganh - hanh dung luan ((dang cong) OR (cong cong)) dang hanh ca*.