Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh vai » danh sai, doanh van, dang van
thuc dan » thuc hanh, hoc dan, thuc vat
sach ky » sac ky, sach y, sach ty
danh va » doanh va, hanh va, anh va
te sach » toc sach
thuc va » thuc vat, thuc day
hieu va » lieu va, hieu qua
va am » va lam, va cam
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x hoi. hieu va am ((thuc va) OR (thuc dan)) ((danh vai) OR (danh va)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang x hoi. hieu va am ((thuc va) or (thuc dan)) ((danh vai) OR (danh va)) cua triet~".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. hieu va am ((thuc va) or (thuc dan)) ((danh vai) OR (danh va)) cua triet*.