Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh han » trinh quan
trinh cao » trinh chao, trinh co, tinh cao
trinh cau » trinh chat, trinh chao, trinh tu
doanh va » doan va, doanh tai, doanh cua
doi viet » dai viet, hoi viet, oi viet
cac tay » cac cay, cac tac, cac tai
cac cac » cac cach, ca cac, cac bac
lan va » luan va, lanh va, lan van
co doi » cho doi, co dot, co dai
anh va » hanh va
tay co » ty co, cay co, tay o

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 ((doanh va) or (anh va)) ((cac cac) or (cuoc cach)) co doi viet nam ) or ( chuong ((trinh cau) or (trinh han)) lan va cac tay co doi viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cao ((doanh va) OR (anh va)) ((cac cac) OR (cuoc cach)) co doi viet nam ) OR ( chuong ((trinh cau) OR (trinh han)) lan va cac tay co doi viet nam )).
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cao ((doanh va) or (anh va)) ((cac cac) or (cuoc cach)) co doi viet nam ) or ( chuong ((trinh cau) or (trinh han)) lan va cac tay co doi viet nam ))*.