Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
nam thuc » nam thuoc, am thuc, nam thu
thanh vi » hanh vi, thanh va, nhanh vi
thanh ve » hanh ve, thanh va, thanh vien
y nang » ky nang, ly nang, v nang
va nam » van nam, ha nam, va nay
x hoi » xa hoi, o hoi, x ho

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 y nang x hoi. lieu va nam thuc vat ((thanh vi) OR (thanh ve)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang x hoi. lieu va nam thuc vat ((thanh vi) OR (thanh ve)) cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang x hoi. lieu va nam thuc vat ((thanh vi) OR (thanh ve)) cua triet*.