Perhaps you should try some spelling variations:
trinh khao » trinh kham, trinh khac, trinh thao
trinh khai » trinh kham, trinh tai, trinh thi
trinh chao » trinh chat, trinh co, trinh giao
trinh han » trinh quan
chao anh » cao anh, khao danh, chao yang
doanh va » doan va, doanh tai, doanh cua
soi viet » so viet, hoi viet, doi viet
han danh » van danh, phan dang, nhan dang
cac lam » cach lam, cap lam, cay lam
danh va » hanh va, dan va, dang va
cac cam » cad cam, cac cap, cac cau
cad lam » cap lam, cay lam, cad cam
oi viet » hoi viet, o viet, cuoi viet
cam co » cac co, nam co, cay co
co soi » cot soi, co so, co hoi
lam co » nam co
va cad » va cao, va cai, va cau
anh va » hanh va
co oi » co hoi, co loi, co doi

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 chao anh va cad lam co soi viet nam ) or ((( cong trinh han danh va cac cam co soi viet nam ) or ( cong ((trinh khao) OR (trinh khai)) doanh va cac lam co oi viet nam ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh chao anh va cad lam co soi viet nam ) OR ((( cong trinh han danh va cac cam co soi viet nam ) OR ( cong ((trinh khao) OR (trinh khai)) doanh va cac lam co oi viet nam ))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh chao anh va cad lam co soi viet nam ) or ((( cong trinh han danh va cac cam co soi viet nam ) or ( cong ((trinh khao) OR (trinh khai)) doanh va cac lam co oi viet nam ))))*".