Perhaps you should try some spelling variations:
chuong trinh » cong trinh
muoi viet » cuoi viet, nguoi viet, muong viet
trinh cac » trinh cau, trinh chat, trinh chao
moi viet » moi viec, hoi viet, oi viet
mai viet » thi viet
soi viet » so viet, hoi viet, oi viet
cac anh » cac banh, cao anh, ca anh
cac cap » cao cap, cac cam, cac cau
cac ban » cac dan, cac van, can ban
cac cac » cac cach, ca cac, cac cam
cac bac » cac bai, cac cach, sach bac
cot soi » cot loi, cong soi
cap do » cau do
anh va » hanh va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cac anh va cac cap do ((((moi viet) OR (mai viet))) OR (muoi viet)) nam ) OR ( chuong trinh cac ban va ((cac cac) OR (cac bac)) cot soi viet nam ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh cac anh va cac cap do ((((moi viet) OR (mai viet))) or (muoi viet)) nam ) or ( chuong trinh cac ban va ((cac cac) or (cac bac)) cot soi viet nam ))~".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cac anh va cac cap do ((((moi viet) OR (mai viet))) or (muoi viet)) nam ) or ( chuong trinh cac ban va ((cac cac) or (cac bac)) cot soi viet nam ))*.