Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cham luoc » khai luoc, kham cuoc, tham nuoc
thanh di » thanh doi, thanh de, thanh do
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hien tu » khien tu, dien tu
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua
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 ky nang x hoi. hien tu ((cham luoc) OR (cham soc)) van thanh di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x hoi. hien tu ((cham luoc) OR (cham soc)) van thanh di cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. hien tu ((cham luoc) OR (cham soc)) van thanh di cua tre*.