Perhaps you should try some spelling variations:
thien van » thi van
thuoc ban » thuoc tan, thuoc dang, thu ban
thanh cac » hanh cac, thanh bac, thanh ca
sach thi » sach thu, sach tai, sach thieu
thi hang » thi hanh, thi nang, thi hong
thuc dan » thuc hanh, hoc dan, thuc vat
so sach » so sanh, bo sach, co sach
hang xa » hoang xa, hang va, hang ca
cac cuu » cap cuu, cac cau, cac chu
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach thi hang xa hoi. thien van nam ((thuc dan) or (thuoc ban)) thanh cac cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thi hang xa hoi. thien van nam ((thuc dan) OR (thuoc ban)) thanh cac cuu tre.
• Adding a wildcard symbol may retrieve word variants: so sach thi hang xa hoi. thien van nam ((thuc dan) or (thuoc ban)) thanh cac cuu tre*.