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