Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh cau » trinh chat, trinh chao, trinh tu
cao tang » cao dang
cao anh » cao dang, cao bang, cao nang
cac tay » cac cay, cac tac, cac tai
cac cam » cad cam, cac cap, cac cau
cau lan » cau lanh, cao lan, sau lan
o suoi » o luoi
lan va » luan va, lanh va, lan van
o soi » mo soi, o hoi, o noi
cam c » cam _, cam o

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 anh) OR (cao tang)) va cac cam c((o soi) or (o suoi)) viet nam ) or ( chuong trinh cau lan va cac tay ((o soi) or (o suoi)) viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh ((cao anh) OR (cao tang)) va cac cam c((o soi) OR (o suoi)) viet nam ) OR ( chuong trinh cau lan va cac tay ((o soi) OR (o suoi)) viet nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh ((cao anh) OR (cao tang)) va cac cam c((o soi) or (o suoi)) viet nam ) or ( chuong trinh cau lan va cac tay ((o soi) or (o suoi)) viet nam ))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh ((cao anh) OR (cao tang)) va cac cam c((o soi) or (o suoi)) viet nam ) or ( chuong trinh cau lan va cac tay ((o soi) or (o suoi)) viet nam ))*.