Perhaps you should try some spelling variations:
thieu khai » thieu khang, thieu nhi, trien khai
nong cong » tong cong, nang cong, dong cong
cong cong » cong dong, trong cong, dung 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 thieu khai - anh nang dua ((nong cong) or (cong cong)) dang hanh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu khai - anh nang dua ((nong cong) OR (cong cong)) dang hanh ca*.