Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh cham » trinh chat, trinh han, trinh phan
trinh chao » trinh chat, trinh han, trinh co
cuu anh » cuu thanh, cuu tinh, cuu nang
bac cau » bach cau, ba cau, bac can
cau anh » cau danh, cau lanh, cao anh
cac cau » cac mau, ca cau, cac cam
bac nam » bac am, ban nam, bau nam
so viet » hoc viet
nam co » nam cao, nam bo, nam so
va bac » van bac, va cac, va bai
do soi » do moi, do son, do voi
do sai » do dai, do hai, do tai
do mai » do dai, do hai, do moi
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( chuong trinh ((cau anh) or (cuu anh)) va bac nam co so viet nam ) or ( cong ((trinh cham) or (trinh chao)) anh va ((cac cau) OR (bac cau)) ((do soi) or (((do sai) or (do mai)))) viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh ((cau anh) OR (cuu anh)) va bac nam co so viet nam ) OR ( cong ((trinh cham) OR (trinh chao)) anh va ((cac cau) OR (bac cau)) ((do soi) OR (((do sai) OR (do mai)))) viet nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh ((cau anh) or (cuu anh)) va bac nam co so viet nam ) or ( cong ((trinh cham) or (trinh chao)) anh va ((cac cau) OR (bac cau)) ((do soi) or (((do sai) or (do mai)))) viet nam ))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh ((cau anh) or (cuu anh)) va bac nam co so viet nam ) or ( cong ((trinh cham) or (trinh chao)) anh va ((cac cau) OR (bac cau)) ((do soi) or (((do sai) or (do mai)))) viet nam ))*.