Perhaps you should try some spelling variations:
dat tren » dat trong, dua tren
thanh va » thanh van, hanh va, thanh ha
va thanh » gia thanh, ban thanh, va tinh
sach lo » sach dao, sach doi, sach hoi
cua tre » cua te, cuu tre, cua triet
bo sach » co sach, hoc sach
van hai » van ha, van chat, van hanh
van hac » van hoc, van ha, van chat
nang xa » nang x, lang xa, nang ma
lo nang » ho nang, ly nang, loai nang
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach lo nang xa hoi. thien ((van hac) or (van hai)) tuc va thanh va ((cua tre) or (dat tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach lo nang xa hoi. thien ((van hac) OR (van hai)) tuc va thanh va ((cua tre) OR (dat tren)).
• Adding a wildcard symbol may retrieve word variants: bo sach lo nang xa hoi. thien ((van hac) or (van hai)) tuc va thanh va ((cua tre) or (dat tren))*.