Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
sach moi » sach hoi, bach mai, sach bai
sach doi » sach hoi, sach dao, sach bai
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
sach ty » sach y, sach tu, sach thu
hang xa » hoang xa, hang va, hang ca
van cam » van nam, van lam, van cau
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ty) or (((sach doi) OR (sach moi)))) hang xa hoi. hieu van cam xuc va thanh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (((sach doi) OR (sach moi)))) hang xa hoi. hieu van cam xuc va thanh tri cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ty) or (((sach doi) OR (sach moi)))) hang xa hoi. hieu van cam xuc va thanh tri cua tre".
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) or (((sach doi) OR (sach moi)))) hang xa hoi. hieu van cam xuc va thanh tri cua tre*.