Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chao » trinh chat, trinh han, trinh giao
cac doanh » cac dan, cac dang, van doanh
trinh cac » trinh cau, trinh chat, trinh cham
choi viet » cuoi viet, hoi viet, chi viet
trinh co » trinh do, trinh cong, trinh hoa
doanh va » doan va, doanh tai, doanh cua
lanh bao » lanh dao, doanh bao, lanh bang
cot soi » cot loi, cong soi
cac tap » cac cap, cac tac, cac tai
chat co » thuat co, chat cua, chat deo
chat do » chat deo, chat doc, chat di
co soi » co so, co hoi, co loi

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cac doanh va cac tap ((co soi) OR (cot soi)) viet nam ) OR ( chuong ((trinh chao) OR (trinh co)) lanh bao cao ((chat do) OR (chat co)) choi viet nam ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh cac doanh va cac tap ((co soi) or (cot soi)) viet nam ) or ( chuong ((trinh chao) or (trinh co)) lanh bao cao ((chat do) OR (chat co)) choi viet nam ))~".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cac doanh va cac tap ((co soi) or (cot soi)) viet nam ) or ( chuong ((trinh chao) or (trinh co)) lanh bao cao ((chat do) OR (chat co)) choi viet nam ))*.