Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh cao » trinh chao, trinh co, tinh cao
trinh cau » trinh chat, trinh chao, trinh tu
cao lanh » cao lan, cao anh, cao danh
cau lan » cau lanh, cao lan, sau lan
lanh va » hanh va, anh va, lanh dao
cac cam » cad cam, cac cau, cac cay
cac tai » cao tai, cac bai, cac dai
cac tay » cac cay, cac tac, cac tap
cac cap » cao cap, cac cau, cac cay
oi viet » hoi viet, o viet, cuoi viet
lan va » luan va, lan van, lang va
co oi » co hoi, co loi, co doi

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