Perhaps you should try some spelling variations:
thai cua » than cua, tai cuc, tri cua
thu sach » thuat sach, thuoc sach, thu hoach
ban thai » ban than, ban thi, ban tai
tu sach » su sach, te sach, tu cach
ban ban » ban banh, van ban, can ban
xuc ban » duc ban, cuc ban, quoc ban
van hau » van ha, van hai, van hac
van dau » van dao, phan dau
cua tre » cua te, cuu tre, cua triet
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: ((tu sach) or (thu sach)) ky nang x hoi. hieu ((van hau) OR (van dau)) xuc ban ban thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang x hoi. hieu ((van hau) OR (van dau)) xuc ban ban thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) ky nang x hoi. hieu ((van hau) OR (van dau)) xuc ban ban thai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang x hoi. hieu ((van hau) OR (van dau)) xuc ban ban thai cua tre*.