Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh cau » trinh chat, trinh chao, trinh tu
trinh cao » trinh chao, tinh cao, trinh cho
thai viet » thi viet, tai viet, mai viet
hoi viet » hai viet, oi viet, cuoi viet
cau giay » cuu giai, cac giai
soi viet » so viet, oi viet, doi viet
trinh co » trinh do, trinh cong, trinh hoa
van hac » van hoc, van ha, van hai
coc soi » cot soi, cong soi
cay coc » cay co, cay cong
hac cay » cac cay, hoc cay, tac cay
tay bac » tao bac
tay cac » tai cac, tap cac, tay cao
ban van » ban dan, ban va, tan van
ky lan » ky dan, ky la
lan va » luan va, lanh va, lan van

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) or (trinh cau)) lan va cac ((tay cac) OR (tay bac)) soi viet nam ) or ( chuong trinh co ban van hac cay coc soi viet nam ))) or ( chuong trinh ky lan va ((cau xay) or (cau giay)) co ((hoi viet) or (thai viet)) nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( chuong ((trinh cao) OR (trinh cau)) lan va cac ((tay cac) OR (tay bac)) soi viet nam ) OR ( chuong trinh co ban van hac cay coc soi viet nam ))) OR ( chuong trinh ky lan va ((cau xay) OR (cau giay)) co ((hoi viet) OR (thai viet)) nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( chuong ((trinh cao) or (trinh cau)) lan va cac ((tay cac) OR (tay bac)) soi viet nam ) or ( chuong trinh co ban van hac cay coc soi viet nam ))) or ( chuong trinh ky lan va ((cau xay) or (cau giay)) co ((hoi viet) or (thai viet)) nam ))".
• Adding a wildcard symbol may retrieve word variants: (((( chuong ((trinh cao) or (trinh cau)) lan va cac ((tay cac) OR (tay bac)) soi viet nam ) or ( chuong trinh co ban van hac cay coc soi viet nam ))) or ( chuong trinh ky lan va ((cau xay) or (cau giay)) co ((hoi viet) or (thai viet)) nam ))*.