Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chao » trinh chat, trinh han, trinh co
trinh cau » trinh chat, trinh tu, trinh han
thai viet » thi viet, tai viet, mai viet
chao lan » cao lan, chao van, chao yang
cau lan » cau lanh, cao lan, sau lan
cho cay » cho cac, cho vay, cho can
co thai » do thai, ca thai, co hai
cao tay » cao tai, dao tay, bao tay
lan va » luan va, lanh va, lan van
va cho » van cho, va co, va che
cay co » cac co, cay cong
va cao » va cac, va co, va dao
tay co » ty co, tay 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 cau lan va cho cay co thai viet nam ) or ( chuong trinh chao lan va cao tay co thai viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cau lan va cho cay co thai viet nam ) OR ( chuong trinh chao lan va cao tay co thai viet nam )).
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cau lan va cho cay co thai viet nam ) or ( chuong trinh chao lan va cao tay co thai viet nam ))*.