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
dung tinh » dang tinh, dung ninh, dung tin
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 (dung tinh)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho hieu lang - thanh dung luan thung ((chuong trinh) OR (dung tinh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: cho hieu lang - thanh dung luan thung ((chuong trinh) OR (dung tinh)) toan tap*.