Perhaps you should try some spelling variations:
chuong trinh » cong trinh
congt mai » cong hai, cong ma, chong mai
cay congt » cac cong, cao cong, cau cong
trinh cao » trinh chao, trinh cau, tinh cao
cay cong » cac cong, cao cong, cau cong
trinh tu » trinh ky, trinh do
mai viet » thi viet
trinh co » trinh do, trinh cong, trinh hoa
cao lanh » cao lan, cao anh, cao danh
tu lanh » tu hanh, tu lenh, tu manh
lanh va » hanh va, anh va, lanh dao
cac cap » cao cap, cac cam, cac cay
so viet » hoc viet
cac cau » cac mau, bac cau, ca cau
lan va » luan va, lan van, lang va
cong o » cong so, cong co, cong bo
co lan » cao lan, co ban, co dan
van ca » van cau, van cua, van ha
o viet » hoc viet
co cay » cho cay, co cau, co may
va co » vo co

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 lan va ((cac cap) or (cac cau)) cong ((so viet) or (so viet)) nam ) or ( chuong trinh cao lanh va co cay congt mai viet nam ))) or ( chuong trinh tu lanh ((van ca) or (dan ca)) cay cong o viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( chuong trinh co lan va ((cac cap) OR (cac cau)) cong ((so viet) OR (so viet)) nam ) OR ( chuong trinh cao lanh va co cay congt mai viet nam ))) OR ( chuong trinh tu lanh ((van ca) OR (dan ca)) cay cong o viet nam )).
• Adding a wildcard symbol may retrieve word variants: (((( chuong trinh co lan va ((cac cap) or (cac cau)) cong ((so viet) or (so viet)) nam ) or ( chuong trinh cao lanh va co cay congt mai viet nam ))) or ( chuong trinh tu lanh ((van ca) or (dan ca)) cay cong o viet nam ))*.