Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh di » thanh doi, thanh de, thanh do
cham xuc » chat xuc, cham soc, pham duc
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
ky dang » ky nang, ky danh
ky sang » ky nang, ky tang, duy sang
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
di cua » dai cua, doi cua, de cua

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 sang) or (ky dang)) ma hoi. hieu ve ((cham xuc) or (cam xuc)) van thanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky sang) OR (ky dang)) ma hoi. hieu ve ((cham xuc) OR (cam xuc)) van thanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky sang) or (ky dang)) ma hoi. hieu ve ((cham xuc) or (cam xuc)) van thanh di cua tre*.