Perhaps you should try some spelling variations:
trien thuat » thien thuat, trien hoat, chien thuat
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trien » hanh triet, hanh trinh, hanh thiet
ndung cong » nhung cong, dang cong, duong 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 trien thuat ((dung cong) or (ndung cong)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh trien thuat ((dung cong) OR (ndung cong)) tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh trien thuat ((dung cong) or (ndung cong)) tinh toan ban*.