Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chao » trinh chat, trinh han, trinh co
trinh cau » trinh chat, trinh tu, trinh han
trinh cao » trinh co, tinh cao, trinh cho
cao lanh » cao lan, cao anh, cao danh
so viet » hoc viet
cac cau » cac mau, bac cau, ca cau
lanh va » hanh va, anh va, lanh dao
cau co » cau do, cac co, dau co
lan va » luan va, lan van, lang va
tay co » tay o
cay co » cac co, cay cong

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 lanh va cac cau co so viet nam ) or ( chuong ((trinh cau) or (trinh chao)) lan va cac ((((tay co) or (ty co))) or (cay co)) so viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cao lanh va cac cau co so viet nam ) OR ( chuong ((trinh cau) OR (trinh chao)) lan va cac ((((tay co) OR (ty co))) OR (cay co)) so viet nam )).
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cao lanh va cac cau co so viet nam ) or ( chuong ((trinh cau) or (trinh chao)) lan va cac ((((tay co) or (ty co))) or (cay co)) so viet nam ))*.