Perhaps you should try some spelling variations:
khao doanh » khao danh, cho doanh, nhap doanh
trinh khao » trinh khai, trinh kham, trinh khac
trinh chao » trinh chat, trinh han, trinh co
phan dang » phan dau, phan cong, nhan dan
soi viet » so viet, hoi viet, doi viet
doanh va » doan va, doanh tai, doanh cua
han danh » van danh, nhan dang, ngan danh
chao anh » cao anh, khao danh, chao yang
cac ham » cac cam, cac hat, cac nhan
oi viet » hoi viet, o viet, cuoi viet
co soi » cot soi, co so, co hoi
cay co » cac co, tay co, cay cong
cam co » cac co, nam co, lam co
ham co » nam co, ham so, lam co
va cad » va cao, va cai, va cau
anh va » hanh va

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 (cay co)) soi viet nam ) or ((( cong trinh ((han danh) OR (phan dang)) va cac ham co soi viet nam ) or ( cong trinh khao doanh va cac ((cam co) or (cay co)) 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 (cay co)) soi viet nam ) OR ((( cong trinh ((han danh) OR (phan dang)) va cac ham co soi viet nam ) OR ( cong trinh khao doanh va cac ((cam co) OR (cay co)) 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 (cay co)) soi viet nam ) or ((( cong trinh ((han danh) OR (phan dang)) va cac ham co soi viet nam ) or ( cong trinh khao doanh va cac ((cam co) or (cay co)) oi viet nam ))))*".