Perhaps you should try some spelling variations:
nphan cong » pham cong, phap cong, phan cung
chieu sang » chieu sach, chieu xanh, hieu lang
cho chieu » ho chieu, theo chieu, chon chien
phan cong » thanh cong
lan dung » van dung, dan dung, lan hung
dung dat » dung va, dung tai
phi dau » phan dau
va phi » va chi, va phe, va pha

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chieu sang - ((phan cong) or (nphan cong)) lan dung dat va phi dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chieu sang - ((phan cong) OR (nphan cong)) lan dung dat va phi dau.
• Adding a wildcard symbol may retrieve word variants: cho chieu sang - ((phan cong) or (nphan cong)) lan dung dat va phi dau*.