Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
doanh van » doan van, doanh va, doanh ban
danh vai » danh sai, danh va, dang van
thu sach » tu sach, thuat sach, thuoc sach
sach tu » sach thu, cach tu, sach ty
cau tuc » cau truc, cau tu, cau luc
dong o » dong co, duong o, dong ho
va cau » van cau, va cac, va dau
tuc va » thuc va, truc va, tuc xa
nong o » nong do, nong co, nung o

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach tu ((nong o) OR (dong o)) hoi. lieu va cau tuc va ((danh vai) or (doanh van)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach tu ((nong o) OR (dong o)) hoi. lieu va cau tuc va ((danh vai) OR (doanh van)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach tu ((nong o) OR (dong o)) hoi. lieu va cau tuc va ((danh vai) or (doanh van)) cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach tu ((nong o) OR (dong o)) hoi. lieu va cau tuc va ((danh vai) or (doanh van)) cua triet*.