Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh nhan » trinh han, trinh phan, trinh nha
trinh cuay » trinh cua, trinh chuan, trinh luat
trinh cac » trinh cau, trinh chat, trinh chao
nhan dang » nhan dan, phan dang, tran dang
doi viet » dai viet, hoi viet, oi viet
soi viet » hoi viet, oi viet, noi viet
cuay dan » cua dan, cay dan, ca dan
cac cam » cad cam, cac cap, cac cau
cau xay » cau giay
cau cay » chau cay, dau cay, ca cay
dang va » dang van, dang vat, hang va
cac tap » cac cap, cac tac, cac tai
so viet » hoc viet
dan va » doan va, dan ca, ban va
cam co » cac co, nam co, cay co
co doi » cho doi, co dot, co dai

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 cuay dan va cac tap co ((soi viet) OR (so viet)) nam ) or ( chuong trinh nhan dang va ((cau cay) or (cau xay)) cot ((soi viet) OR (so viet)) nam ))) or ( chuong trinh cac dan va cac cam co doi viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( chuong trinh cuay dan va cac tap co ((soi viet) OR (so viet)) nam ) OR ( chuong trinh nhan dang va ((cau cay) OR (cau xay)) cot ((soi viet) OR (so viet)) nam ))) OR ( chuong trinh cac dan va cac cam co doi viet nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( chuong trinh cuay dan va cac tap co ((soi viet) OR (so viet)) nam ) or ( chuong trinh nhan dang va ((cau cay) or (cau xay)) cot ((soi viet) OR (so viet)) nam ))) or ( chuong trinh cac dan va cac cam co doi viet nam ))".
• Adding a wildcard symbol may retrieve word variants: (((( chuong trinh cuay dan va cac tap co ((soi viet) OR (so viet)) nam ) or ( chuong trinh nhan dang va ((cau cay) or (cau xay)) cot ((soi viet) OR (so viet)) nam ))) or ( chuong trinh cac dan va cac cam co doi viet nam ))*.