Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chat » tinh chat, trinh luat, trinh han
chat quang » chat luong, pham quang
trinh cao » trinh chao, trinh co, trinh cau
cao lanh » cao anh, cao danh, cay lanh
soi viet » so viet, hoi viet, doi viet
van cau » van dau, van hau, van chat
oi viet » hoi viet, o viet, cuoi viet
cao lan » cao van, cao dang, cao tang
cay co » tay co, cay cong
lan va » luan va, lanh va, lan van
va cau » va cac, va dau, va cao
co soi » cot soi, co so, co hoi
cac co » cac cong
ca cac » cua cac, va cac
dao ca » dao cac, dao cao, dao cau
va ca » va cac, va cao, va cai
co oi » co hoi, co loi, co doi

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 cao lan va ca cac co soi viet nam ) or ( chuong trinh chat quang ((va cau) OR (van cau)) cay co oi viet nam ))) or ( chuong trinh cao lanh dao ca cac co soi viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( chuong trinh cao lan va ca cac co soi viet nam ) OR ( chuong trinh chat quang ((va cau) OR (van cau)) cay co oi viet nam ))) OR ( chuong trinh cao lanh dao ca cac co soi viet nam ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( chuong trinh cao lan va ca cac co soi viet nam ) or ( chuong trinh chat quang ((va cau) OR (van cau)) cay co oi viet nam ))) or ( chuong trinh cao lanh dao ca cac co soi viet nam ))*".