Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, hieu lang
cua nhung » va nhung
chu sang » chu bang, thu sang, chuc nang
hang ban » hang luan, hang va, hang tai
hanh san » thanh san, khach san, thanh son
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sang) OR (chieu sang)) - ((hang ban) or (hanh san)) cua nhung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sang) OR (chieu sang)) - ((hang ban) OR (hanh san)) cua nhung cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sang) OR (chieu sang)) - ((hang ban) or (hanh san)) cua nhung cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sang) OR (chieu sang)) - ((hang ban) or (hanh san)) cua nhung cong dan toan cao*.