Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chat » tinh chat, trinh luat, trinh han
chat danh » nhat danh, nhat hanh, chat ban
trinh cau » trinh chao, trinh tu, trinh han
doi viet » dai viet, oi viet, do viet
soi viet » so viet, oi viet, noi viet
hoi viet » hai viet, oi viet, thai viet
cau cong » cac cong, cuu cong, cao cong
cay cong » cac cong, cao cong, cay trong
cau danh » cao danh, chuc danh, nam danh
danh va » doanh va, hanh va, anh va
cau co » cau do, cay co, dau co
cac co » cac cong
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 cau danh va ca ((cay cong) OR (cau cong)) ((soi viet) or (doi viet)) nam ) or ( chuong trinh chat danh va cac ((cau co) or (cac co)) hoi viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cau danh va ca ((cay cong) OR (cau cong)) ((soi viet) OR (doi viet)) nam ) OR ( chuong trinh chat danh va cac ((cau co) OR (cac co)) hoi viet nam )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh cau danh va ca ((cay cong) OR (cau cong)) ((soi viet) or (doi viet)) nam ) or ( chuong trinh chat danh va cac ((cau co) or (cac co)) hoi viet nam ))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cau danh va ca ((cay cong) OR (cau cong)) ((soi viet) or (doi viet)) nam ) or ( chuong trinh chat danh va cac ((cau co) or (cac co)) hoi viet nam ))*.