Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh di » thanh doi, thanh de, thanh do
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
xuc van » duc van, luc van, vuc van
qua cam » qua cham, qua cac, qua ca
lang ha » long ha
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
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) or (thu sach)) ty ((nang xa) or (lang ha)) hoi. hieu qua cam xuc van thanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ty ((nang xa) OR (lang ha)) hoi. hieu qua cam xuc van thanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ty ((nang xa) or (lang ha)) hoi. hieu qua cam xuc van thanh di cua tre*.