Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chat » tinh chat, trinh luat, trinh han
trinh cao » trinh chao, trinh co, trinh cau
trinh su » trinh tu, trinh san, trinh cau
chat lua » chat cua, chat va, chat huu
dang van » hoang van, hang va
doi viet » dai viet, do viet, doc viet
sach dao » lanh dao
sach dau » sach dat, sach mau, sach danh
hoi viet » hai viet, thai viet, cuoi viet
oi viet » o viet, cuoi viet, gioi viet
cac cau » cac mau, bac cau, ca cau
su luan » tu luan, luc luan
tan van » tang van, tan tran, phan van
lua van » luu van, qua van, cua van
cau cay » chau cay, cau xay, dau cay
co hoi » co hoc, co loi
cay co » cac co, tay co, cay cong

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 ((((tan van) or (dang van))) or (tran van)) cau cay co hoi viet nam ) or ((( chuong trinh su luan van ((cac cau) or (((sach dau) OR (sach dao)))) co ((doi viet) or (oi viet)) nam ) or ( chuong trinh chat lua van ((cac cau) or (((sach dau) OR (sach dao)))) co ((doi viet) or (oi viet)) nam ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cao ((((tan van) OR (dang van))) OR (tran van)) cau cay co hoi viet nam ) OR ((( chuong trinh su luan van ((cac cau) OR (((sach dau) OR (sach dao)))) co ((doi viet) OR (oi viet)) nam ) OR ( chuong trinh chat lua van ((cac cau) OR (((sach dau) OR (sach dao)))) co ((doi viet) OR (oi viet)) nam )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh cao ((((tan van) or (dang van))) or (tran van)) cau cay co hoi viet nam ) or ((( chuong trinh su luan van ((cac cau) or (((sach dau) OR (sach dao)))) co ((doi viet) or (oi viet)) nam ) or ( chuong trinh chat lua van ((cac cau) or (((sach dau) OR (sach dao)))) co ((doi viet) or (oi viet)) nam ))))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cao ((((tan van) or (dang van))) or (tran van)) cau cay co hoi viet nam ) or ((( chuong trinh su luan van ((cac cau) or (((sach dau) OR (sach dao)))) co ((doi viet) or (oi viet)) nam ) or ( chuong trinh chat lua van ((cac cau) or (((sach dau) OR (sach dao)))) co ((doi viet) or (oi viet)) nam ))))*.