Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hieu lang » hieu quang, nhieu tang, hieu van
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (((chieu sang) OR (hieu lang)))) - thanh tung cua nhung cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (((chieu sang) OR (hieu lang)))) - thanh tung cua nhung cong san toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) or (((chieu sang) OR (hieu lang)))) - thanh tung cua nhung cong san toan tap*".