Perhaps you should try some spelling variations:
chuong trinh » cong trinh
thanh dung » thanh duong, thanh tung, thanh hung
luan thung » luan chung, luan hung, luat thuong
hieu lang » chieu sang, hieu quang, nhieu tang
hung tinh » hung thinh, nhung tinh, dung tinh
cho hieu » cao hieu, co hieu, chi hieu
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: cho hieu lang - thanh dung luan thung ((chuong trinh) or (hung tinh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho hieu lang - thanh dung luan thung ((chuong trinh) OR (hung tinh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: cho hieu lang - thanh dung luan thung ((chuong trinh) or (hung tinh)) toan tap*.