Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lai » thanh hai, thanh lap, thanh loi
cuu thuc » cuu tac
va thanh » gia thanh, ban thanh, va tinh
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
van cuu » van cau, van chu, van cu
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cua tre » cuu tre, dua tren, cua thep
thuc va » thuc vat, thuc dan, thuc day
cua te » cua tu
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: thu sach ty nang x hoi. hieu van cuu thuc va thanh lai ((((cua tre) OR (cua te))) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty nang x hoi. hieu van cuu thuc va thanh lai ((((cua tre) OR (cua te))) or (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang x hoi. hieu van cuu thuc va thanh lai ((((cua tre) OR (cua te))) or (cua triet))*.