Perhaps you should try some spelling variations:
trinh chao » trinh chat, trinh han, trinh co
trinh cham » trinh chat, trinh han, trinh phan
chao anh » cao anh, khao danh, chao yang
cach con » cach hoan, cac cong, cac co
cad cach » cai cach, cac cach, ca cach
cham anh » pham anh, pham hanh, cham binh
soi viet » hoi viet, oi viet, doi viet
so viet » hoc viet
nam co » nam cao, nam bo, nam so
cam co » cac co, cay co, lam co
va cad » va cao, va cai, va cau
anh va » hanh va
con so » cong so, hon so, con bo

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 chao anh va cac ((cam co) OR (nam co)) soi viet nam ) or ((( cong trinh cham anh va cad ((cam co) OR (nam co))t soi viet nam ) or ( cong trinh cham anh va cad cach con so viet nam ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh chao anh va cac ((cam co) OR (nam co)) soi viet nam ) OR ((( cong trinh cham anh va cad ((cam co) OR (nam co))t soi viet nam ) OR ( cong trinh cham anh va cad cach con so viet nam )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh chao anh va cac ((cam co) OR (nam co)) soi viet nam ) or ((( cong trinh cham anh va cad ((cam co) OR (nam co))t soi viet nam ) or ( cong trinh cham anh va cad cach con so viet nam ))))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh chao anh va cac ((cam co) OR (nam co)) soi viet nam ) or ((( cong trinh cham anh va cad ((cam co) OR (nam co))t soi viet nam ) or ( cong trinh cham anh va cad cach con so viet nam ))))*.