Perhaps you should try some spelling variations:
trinh chao » trinh chat, trinh han, trinh co
trinh khao » trinh khai, trinh kham, trinh khac
khao danh » cao danh, han danh, khau dan
cao doanh » cho doanh, cac doanh, cao danh
trinh cao » trinh co, trinh cau, tinh cao
cuoi viet » nguoi viet, co viet, nuoc viet
chao anh » cao anh, chao yang, chap hanh
doanh va » doan va, doanh tai, doanh cua
cac nam » bac nam, cac cam, cac ham
danh va » hanh va, dan va, dang va
oi viet » hoi viet, o viet, gioi viet
lam co » nam co
co hoi » co loi
cam co » cac co, nam co, cay co
va cad » va cao, va cai, va cau
anh va » hanh va
cap co » tap co, cap do, cac co

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