Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh trang » tinh trang, trinh trong, trinh trung
trinh tran » trinh toan, trinh tren, trinh tan
trinh cau » trinh chat, trinh chao, trinh tu
trinh cac » trinh chat, trinh chao, trinh cham
doi viet » dai viet, hoi viet, oi viet
soi viet » so viet, hoi viet, oi viet
cuay dan » cua dan, cac dan, ca dan
cay cot » cac cot, cay cat, cay ot
cac cay » ca cay, cac cam, cac cau
cay coc » cay cong
cay dan » cac dan, ca dan, cay lanh
dang va » dang van, dang vat, hang va
cac cap » cao cap, cac cam, cac cau
va cau » van cau, va dau, va cao
dan va » doan va, dan ca, ban va
co soi » cot soi, co so, co hoi
cap co » cap cho, tap co, cap do
cay co » cac co, tay co, cay cong
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) or (cay dan)) va cac cap co soi viet nam ) or ( chuong ((trinh tran) or (trinh trang)) dang va cau ((cay cot) OR (cay coc)) soi viet nam ))) or ( chuong ((trinh cac) or (trinh cau)) dan va cac cay co doi viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( chuong trinh ((cuay dan) OR (cay dan)) va cac cap co soi viet nam ) OR ( chuong ((trinh tran) OR (trinh trang)) dang va cau ((cay cot) OR (cay coc)) soi viet nam ))) OR ( chuong ((trinh cac) OR (trinh cau)) dan va cac cay co doi viet nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( chuong trinh ((cuay dan) or (cay dan)) va cac cap co soi viet nam ) or ( chuong ((trinh tran) or (trinh trang)) dang va cau ((cay cot) OR (cay coc)) soi viet nam ))) or ( chuong ((trinh cac) or (trinh cau)) dan va cac cay co doi viet nam ))".
• Adding a wildcard symbol may retrieve word variants: (((( chuong trinh ((cuay dan) or (cay dan)) va cac cap co soi viet nam ) or ( chuong ((trinh tran) or (trinh trang)) dang va cau ((cay cot) OR (cay coc)) soi viet nam ))) or ( chuong ((trinh cac) or (trinh cau)) dan va cac cay co doi viet nam ))*.