Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh va » thanh van, hanh va, thanh ha
xuc van » duc van, luc van, vuc van
hieu va » lieu va, hieu qua
sach ky » sac ky, sach y, sach kem
hieu ve » hieu van
nang ro » nang co, nang ho, nang ra
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
ro hoi » co hoi, o hoi, mo hoi
va cua » va chua, via cua, ca 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) or (sach ty)) nang ro hoi. ((hieu ve) or (hieu va)) cam xuc van thanh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang ro hoi. ((hieu ve) OR (hieu va)) cam xuc van thanh va cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) nang ro hoi. ((hieu ve) or (hieu va)) cam xuc van thanh va cua tre*.