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