Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
doanh van » doan van, doanh va, doanh ban
van doanh » toan doanh, van dong, van thanh
cac thuc » cach thuc, cac thu, can thuc
thuc van » thuc vat, thuc dan, thuc va
hieu ve » hieu va, hieu van
ky dang » ky nang
van cua » vang cua, ban cua, dan cua
te sach » toc sach
ky anh » ly anh, ty anh
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((((ky dang) OR (ky danh))) or (ky anh)) xa hoi. hieu ve cac thuc van doanh van cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((((ky dang) OR (ky danh))) OR (ky anh)) xa hoi. hieu ve cac thuc van doanh van cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((((ky dang) OR (ky danh))) or (ky anh)) xa hoi. hieu ve cac thuc van doanh van cua triet*".