Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chao » trinh chat, trinh han, trinh co
chao luan » khao luan, phap luan, khau luan
trinh san » trinh han, trinh quan, trinh toan
soi viet » so viet, hoi viet, oi viet
trinh su » trinh tu, trinh cau, trinh cua
loi viet » loai viet, hoi viet, oi viet
cac cap » cao cap, cac cam, cac cau
luan va » luan van, luat va
co soi » cot soi, co so, co hoi
cap co » cap cho, tap co, cap do
lan va » lanh va, lan van, lang va
ca cay » cua cay, cac cay, ca cac
cay co » cac co, tay co, cay cong
co loi » co hoi
va ca » va cao, va cai, va cau

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 luan va cac cap co soi viet nam ) or ( cong ((trinh su) OR (trinh san)) lan va ca cay co loi viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh chao luan va cac cap co soi viet nam ) OR ( cong ((trinh su) OR (trinh san)) lan va ca cay co loi viet nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh chao luan va cac cap co soi viet nam ) or ( cong ((trinh su) OR (trinh san)) lan va ca cay co loi viet nam ))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh chao luan va cac cap co soi viet nam ) or ( cong ((trinh su) OR (trinh san)) lan va ca cay co loi viet nam ))*.