Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
hanh hai » thanh hai, nhanh hai, hang hai
thuc day » thuc dan, thuc vat
tu sach » thu sach, su sach, te sach
hai cua » thai cua, dai cua, hoi cua
van cam » van nam, van lam, van cau
thi van » thi lan, thi hanh, thi nang
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
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: tu sach thu ((lang xa) or (van xay)) hoi. thi van cam ((tuc va) or (thuc day)) hanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu ((lang xa) OR (van xay)) hoi. thi van cam ((tuc va) OR (thuc day)) hanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach thu ((lang xa) or (van xay)) hoi. thi van cam ((tuc va) or (thuc day)) hanh hai cua tre*.