Perhaps you should try some spelling variations:
chien thuat » thien thuat, hien thuan, trien thuat
chieu sang » chieu sach, chieu xanh, hieu lang
hanh chien » khanh chien, khang chien, hoach chien
hung cong » nhung cong, hung cuong, phung cong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
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: ho chieu sang - hanh chien thuat ((hung cong) or (dung cong)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh chien thuat ((hung cong) OR (dung cong)) tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh chien thuat ((hung cong) or (dung cong)) tinh toan ban*.