Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chat » tinh chat, trinh luat, trinh han
chat luat » chat lua, phap luat, chat cua
thai viet » tai viet, mai viet, tai vien
trinh cao » trinh chao, trinh co, trinh cau
cuoi viet » co viet, nuoc viet, cua viet
cua luat » quy luat
thi viet » thi lien
luong va » dung va
hoc viet » hoc hien
nang va » nang van, nang ma, bang va
cac cau » cac mau, bac cau, ca cau
cac cap » cao cap, cac cam, cac cay
cau co » cau do, cac co, cay co
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 ((nang va) or (hang va)) cac cap co ((cuoi viet) OR (nguoi viet)) nam ) or ((( chuong trinh chat luong va cac cau co ((thai viet) or (thi viet)) nam ) or ( chuong trinh ((chat luat) or (cua luat)) va cac cau co hoc viet nam ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cao ((nang va) OR (hang va)) cac cap co ((cuoi viet) OR (nguoi viet)) nam ) OR ((( chuong trinh chat luong va cac cau co ((thai viet) OR (thi viet)) nam ) OR ( chuong trinh ((chat luat) OR (cua luat)) va cac cau co hoc viet nam )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh cao ((nang va) or (hang va)) cac cap co ((cuoi viet) OR (nguoi viet)) nam ) or ((( chuong trinh chat luong va cac cau co ((thai viet) or (thi viet)) nam ) or ( chuong trinh ((chat luat) or (cua luat)) va cac cau co hoc viet nam ))))".
• Adding a wildcard symbol may retrieve word variants: (( chuong trinh cao ((nang va) or (hang va)) cac cap co ((cuoi viet) OR (nguoi viet)) nam ) or ((( chuong trinh chat luong va cac cau co ((thai viet) or (thi viet)) nam ) or ( chuong trinh ((chat luat) or (cua luat)) va cac cau co hoc viet nam ))))*.