Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chao » trinh chat, trinh han, trinh co
trinh cao » trinh co, tinh cao, trinh cho
trinh cau » trinh chat, trinh tu, trinh han
cao hanh » dao hanh, cao anh, bao hanh
soi viet » so viet, hoi viet, doi viet
luan va » luan van, luat va
oi viet » hoi viet, o viet, cuoi viet
cac cam » cad cam, cac cap, cac cay
cac cau » cac mau, bac cau, ca cau
hanh va » hang va, hanh vi
tay co » ty co, tay o
cay co » cac 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 hanh va ((cac cam) or (cac cau)) co ((soi viet) OR (oi viet)) nam ) or ( chuong ((trinh cau) or (trinh chao)) luan va cac ((tay co) or (cay co)) ((soi viet) OR (oi viet)) nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cao hanh va ((cac cam) OR (cac cau)) co ((soi viet) OR (oi viet)) nam ) OR ( chuong ((trinh cau) OR (trinh chao)) luan va cac ((tay co) OR (cay co)) ((soi viet) OR (oi viet)) nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh cao hanh va ((cac cam) or (cac cau)) co ((soi viet) OR (oi viet)) nam ) or ( chuong ((trinh cau) or (trinh chao)) luan va cac ((tay co) or (cay co)) ((soi viet) OR (oi viet)) nam ))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cao hanh va ((cac cam) or (cac cau)) co ((soi viet) OR (oi viet)) nam ) or ( chuong ((trinh cau) or (trinh chao)) luan va cac ((tay co) or (cay co)) ((soi viet) OR (oi viet)) nam ))*.