Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh sau » trinh san, trinh cau, trinh su
trinh co » trinh do, trinh cong, trinh hoa
cay cong » cac cong, cao cong, cau cong
soi viet » so viet, doi viet, noi viet
hoi viet » hai viet, thai viet, cuoi viet
cac cac » cac cach, ca cac, cac bac
sau lan » dau luan
oi viet » o viet, cuoi viet, gioi viet
cac ham » cac cam, cac hat, cac nhan
cac cay » ca cay, cac cam, cac cap
co xuat » co xua, hoa xuat, cao xuan
ky lan » ky dan
ham co » nam co, ham so, lam co
lan va » luan va, lanh va, lan van
cac co » cac cong
ky la » ky le, ky 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 co xuat va cac cay cong ((soi viet) or (hoi viet)) nam ) or ((( chuong trinh ((ky lan) or (ky la)) va cac ham co oi viet nam ) or ( chuong trinh sau lan va cac cac co _ viet nam ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh co xuat va cac cay cong ((soi viet) OR (hoi viet)) nam ) OR ((( chuong trinh ((ky lan) OR (ky la)) va cac ham co oi viet nam ) OR ( chuong trinh sau lan va cac cac co _ viet nam )))).
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh co xuat va cac cay cong ((soi viet) or (hoi viet)) nam ) or ((( chuong trinh ((ky lan) or (ky la)) va cac ham co oi viet nam ) or ( chuong trinh sau lan va cac cac co _ viet nam ))))*.