Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh phan » trinh han, trinh quan, thanh phan
trinh cau » trinh chat, trinh chao, trinh han
cau luan » cu luan, dau luan, lau luan
hoi viet » hai viet, oi viet, thai viet
trinh tu » trinh ky, trinh do
cao tay » cao tai, dao tay, bao tay
luan va » luan van, luat va
co dai » co dan, do dai
co hai » co hoi, o hai, so hai
tay co » ty co
cay co » cac co, cay cong
va cao » va cac, va co, va dao
o hoi » co hoi, o hoc, o hai

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 luan va cao chat ((co hai) or (co dai)) viet nam ) or ((( chuong trinh tu luan va cao ((tay co) OR (cay co)) hoi viet nam ) or ( chuong ((trinh phan) or (tinh chat)) luan va cao tay o hoi viet nam ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cau luan va cao chat ((co hai) OR (co dai)) viet nam ) OR ((( chuong trinh tu luan va cao ((tay co) OR (cay co)) hoi viet nam ) OR ( chuong ((trinh phan) OR (tinh chat)) luan va cao tay o hoi viet nam )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh cau luan va cao chat ((co hai) or (co dai)) viet nam ) or ((( chuong trinh tu luan va cao ((tay co) OR (cay co)) hoi viet nam ) or ( chuong ((trinh phan) or (tinh chat)) luan va cao tay o hoi viet nam ))))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cau luan va cao chat ((co hai) or (co dai)) viet nam ) or ((( chuong trinh tu luan va cao ((tay co) OR (cay co)) hoi viet nam ) or ( chuong ((trinh phan) or (tinh chat)) luan va cao tay o hoi viet nam ))))*.