Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chat » tinh chat, trinh luat, trinh han
trinh cac » trinh cau, trinh chao, trinh cham
soi viet » so viet, hoi viet, oi viet
voi viet » hoi viet, oi viet, doi viet
cac lanh » cay lanh, cac banh, cac lang
chat anh » nhat anh, nhat hanh, phat hanh
cac tai » cao tai, cac bai, cac dai
dao cac » do cac, sao cac, tao cac
cac cap » cao cap, cac cam, cac cau
cap doi » cau doi, lap doi, cac doi
co soi » cot soi, co so, co hoi
tai co » mai co, tai so, tri co
anh va » hanh va
cap do » cau do
do voi » dao voi, do moi, da voi

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 chat anh va cac tai co soi viet nam ) or ((( chuong trinh cac lanh dao cac cap do voi viet nam ) or ( chuong trinh cac lanh dao cac cap doi voi viet nam ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh chat anh va cac tai co soi viet nam ) OR ((( chuong trinh cac lanh dao cac cap do voi viet nam ) OR ( chuong trinh cac lanh dao cac cap doi voi viet nam )))).
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh chat anh va cac tai co soi viet nam ) or ((( chuong trinh cac lanh dao cac cap do voi viet nam ) or ( chuong trinh cac lanh dao cac cap doi voi viet nam ))))*.