Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh cao » trinh chao, trinh co, trinh cau
hai viet » thai viet, mai viet, dai viet
lang van » dang van, tang van, hoang van
tai viet » thi viet, mai viet, tai lieu
soi viet » hoi viet, oi viet, doi viet
lang va » hang va, lang ha, lang xa
cao van » cac van, dao van, cao dang
cac cap » cao cap, cac cam, cac cau
so viet » hoc viet
luan va » luat va
cay co » cac co, tay co, cay cong
van va » van vat, van van, ban va
ca cay » cua cay, cac cay, ca cac
co soi » cot soi, co hoi, co loi
cap co » cap cho, tap co, cap do

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