Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chao » trinh chat, trinh han, trinh co
trinh cac » trinh chat, trinh cham, trinh han
thoi viet » thoai viet, thi viet, tho viet
chao lanh » nha lanh, cao lan, cay lanh
trinh cau » trinh chat, trinh tu, trinh han
thon viet » thong viet, tran viet
soi viet » so viet, hoi viet, oi viet
lanh doi » lanh voi, thanh doi, lanh dao
voi viet » hoi viet, oi viet, doi viet
cac lanh » cay lanh, cac banh, cac lang
lanh co » anh co, lang co, danh co
cac cau » cac mau, bac cau, ca cau
doi ban » di ban, dong ban, doi nhan
cac tai » cao tai, cac bai, cac dai
cau anh » cau danh, cau lanh, cuu anh
lanh do » lanh dao, lanh tho, thanh do
ban cau » bang cau, ban can, van cau
do ban » do ben, lo ban, di ban
lanh o » lang o, lan o, danh o
co soi » cot soi, co so, co hoi
tai co » mai co, tai so, tri co
do voi » doi voi, dao voi, do moi
anh va » hanh va
o cac » o cao

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cau anh va cac tai co soi viet nam ) OR ((((((( chuong trinh cac lanh co ban cau do voi viet nam ) OR ( chuong trinh cac lanh doi ban cau do voi viet nam ))) OR ( chuong trinh chao lanh do ban cau do voi viet nam ))) OR ( chuong trinh cac lanh o cac cau do ((thoi viet) OR (thon viet)) nam ))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh cau anh va cac tai co soi viet nam ) or ((((((( chuong trinh cac lanh co ban cau do voi viet nam ) or ( chuong trinh cac lanh doi ban cau do voi viet nam ))) or ( chuong trinh chao lanh do ban cau do voi viet nam ))) or ( chuong trinh cac lanh o cac cau do ((thoi viet) OR (thon viet)) nam ))))~".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cau anh va cac tai co soi viet nam ) or ((((((( chuong trinh cac lanh co ban cau do voi viet nam ) or ( chuong trinh cac lanh doi ban cau do voi viet nam ))) or ( chuong trinh chao lanh do ban cau do voi viet nam ))) or ( chuong trinh cac lanh o cac cau do ((thoi viet) OR (thon viet)) nam ))))*.