Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh chat » tinh chat, trinh luat, trinh phan
trinh may » trinh ky, trinh ly, trinh van
trinh cau » trinh chao, trinh tu, trinh tai
pham hanh » pham thanh, pham anh, pham hang
trinh han » trinh quan
dai viet » mai viet, dao viet, tai viet
doanh va » doan va, doanh tai, doanh cua
cham anh » pham anh, cham binh, cham tinh
do nguoi » dao nguoi, doi nguoi, o nguoi
hai viet » thai viet, mai viet, tai viet
cac cap » cao cap, cac cam, cac cay
cac cau » cac mau, bac cau, ca cau
danh va » hanh va, anh va, dan va
dao cap » cao cap, day cap, dao cac
co dai » co dan, do dai
cau co » cau do, cac co, cay co
cap do » cau do
va dao » ca dao
o hai » co hai, so hai, o lai
cap o » cap 2, cap 1, cap 5

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( cong ((trinh may) OR (trinh han)) doanh va cac cap do nguoi viet nam ) or ((( chuong trinh ((cham anh) or (pham hanh)) va dao cap o hai viet nam ) or ( chuong ((trinh cau) or (trinh chat)) danh va cac cau co dai viet nam ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( cong ((trinh may) OR (trinh han)) doanh va cac cap do nguoi viet nam ) OR ((( chuong trinh ((cham anh) OR (pham hanh)) va dao cap o hai viet nam ) OR ( chuong ((trinh cau) OR (trinh chat)) danh va cac cau co dai viet nam )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( cong ((trinh may) OR (trinh han)) doanh va cac cap do nguoi viet nam ) or ((( chuong trinh ((cham anh) or (pham hanh)) va dao cap o hai viet nam ) or ( chuong ((trinh cau) or (trinh chat)) danh va cac cau co dai viet nam ))))".
• Adding a wildcard symbol may retrieve word variants: (( cong ((trinh may) OR (trinh han)) doanh va cac cap do nguoi viet nam ) or ((( chuong trinh ((cham anh) or (pham hanh)) va dao cap o hai viet nam ) or ( chuong ((trinh cau) or (trinh chat)) danh va cac cau co dai viet nam ))))*.