Perhaps you should try some spelling variations:
chien thuat » thien thuat, hien thuan, trien thuat
thieu sang » chieu sang, thieu khang, thieu quang
hanh chien » khanh chien, khang chien, hoach chien
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hung cong » hung cuong, phung cong, dung cong
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sang - hanh chien thuat ((hung cong) or (nhung cong)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh chien thuat ((hung cong) OR (nhung cong)) tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh chien thuat ((hung cong) or (nhung cong)) tinh toan ban*.