Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh cuay » trinh cua, trinh chuan, trinh luat
cuay doan » chuan doan, chan doan, cua dan
trinh cau » trinh chat, trinh chao, trinh tu
cao cong » cac cong, cao dang, cua cong
cong hoa » dong hoa, dong hoc, hang hoa
so viet » hoc viet
bac dan » bach dan, cac dan, ban dan
cau dan » cau danh, cac dan, ca dan
cac cap » cao cap, cac cam, cac cau
bay dan » ban dan, cay dan, bay van
va bao » va bai
va cao » va co, va dao
cay co » cac co, tay co, cay cong
o viet » hoc viet
ca cao » ca dao, cu cao, ca cac
cap co » cap cho, tap co, cap do
va ca » va cai, va cau, va cam
co o » co _, so o

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 doan va cac cap co so viet nam ) or ( chuong trinh ((bay dan) OR (bac dan)) va ca cao cong hoa viet nam ))) or ( chuong trinh cau dan ((va cao) or (va bao)) cay co o viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( chuong trinh cuay doan va cac cap co so viet nam ) OR ( chuong trinh ((bay dan) OR (bac dan)) va ca cao cong hoa viet nam ))) OR ( chuong trinh cau dan ((va cao) OR (va bao)) cay co o viet nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( chuong trinh cuay doan va cac cap co so viet nam ) or ( chuong trinh ((bay dan) OR (bac dan)) va ca cao cong hoa viet nam ))) or ( chuong trinh cau dan ((va cao) or (va bao)) cay co o viet nam ))".
• Adding a wildcard symbol may retrieve word variants: (((( chuong trinh cuay doan va cac cap co so viet nam ) or ( chuong trinh ((bay dan) OR (bac dan)) va ca cao cong hoa viet nam ))) or ( chuong trinh cau dan ((va cao) or (va bao)) cay co o viet nam ))*.