Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh pham » trinh phap, trinh cham, trinh kham
trinh phan » trinh han, trinh quan, thanh phan
trinh cau » trinh chat, trinh chao, trinh tu
cau danh » cao danh, chuc danh, nam danh
so viet » hoc viet
bac nam » bac am, ban nam, bau nam
danh va » doanh va, hanh va, dan va
cac cau » cac mau, bac cau, ca cau
nam co » nam cao, nam bo, nam so
va bac » van bac, va bai, va bao
anh va » hanh va
do soi » do moi, do sai, do voi
do son » dong son

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 danh va bac nam co so viet nam ) or ( cong ((trinh pham) OR (trinh phan)) anh va cac cau ((do soi) or (do son)) viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cau danh va bac nam co so viet nam ) OR ( cong ((trinh pham) OR (trinh phan)) anh va cac cau ((do soi) OR (do son)) viet nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh cau danh va bac nam co so viet nam ) or ( cong ((trinh pham) OR (trinh phan)) anh va cac cau ((do soi) or (do son)) viet nam ))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cau danh va bac nam co so viet nam ) or ( cong ((trinh pham) OR (trinh phan)) anh va cac cau ((do soi) or (do son)) viet nam ))*.