Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chao » trinh han, trinh co, trinh phan
trinh chat » tinh chat, trinh luat, trinh han
chat hanh » nhat hanh, phat hanh, chap hanh
soi viet » hoi viet, oi viet, doi viet
cot soi » cot loi, cong soi
cap cot » cac cot
cac cap » cao cap, cac cam, cac cay
hanh va » hang va, hanh vi
cac cau » cac mau, bac cau, ca cau
so viet » hoc viet
van va » van vat, van van, ban va
cau co » cau do, cac co, cay co

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 chat hanh va cac cap cot soi viet nam ) or ( chuong ((trinh chao) OR (trinh giao)) van va cac cau co so viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh chat hanh va cac cap cot soi viet nam ) OR ( chuong ((trinh chao) OR (trinh giao)) van va cac cau co so viet nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh chat hanh va cac cap cot soi viet nam ) or ( chuong ((trinh chao) OR (trinh giao)) van va cac cau co so viet nam ))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh chat hanh va cac cap cot soi viet nam ) or ( chuong ((trinh chao) OR (trinh giao)) van va cac cau co so viet nam ))*.