Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chat » trinh luat, trinh phan
trinh cao » trinh chao, trinh co, trinh cau
trinh han » trinh quan
so viet » hoc viet
lanh va » hanh va, lanh dao, doanh va
cac cap » cao cap, cac cam, cac cau
anh va » hanh va
cam co » cac co, nam co, cay co
lan va » luan va, lan van, lang va
cap co » cap cho, tap co, cap do

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 ((lanh va) OR (anh va)) cad cam co so viet nam ) or ( chuong ((trinh han) or (((trinh chat) or (tinh chat)))) lan va cac cap co so viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cao ((lanh va) OR (anh va)) cad cam co so viet nam ) OR ( chuong ((trinh han) OR (((trinh chat) OR (tinh chat)))) lan va cac cap co so viet nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh cao ((lanh va) OR (anh va)) cad cam co so viet nam ) or ( chuong ((trinh han) or (((trinh chat) or (tinh chat)))) lan va cac cap co so viet nam ))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cao ((lanh va) OR (anh va)) cad cam co so viet nam ) or ( chuong ((trinh han) or (((trinh chat) or (tinh chat)))) lan va cac cap co so viet nam ))*.