Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
bang cac » nang cao, hang ca, dung cac
cac khoi » cac thoi, cac khoan, cach thoi
tu sach » thu sach, su sach, tu cach
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
ky bang » ky nang, ky dang, ke bang
te sach » toc sach
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
di cua » dai cua, doi cua, de cua
ve cac » va cac, vien cac

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) or (te sach)) ky bang cac khoi. hieu ve cac ((xuc va) or (tuc va)) thanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky bang cac khoi. hieu ve cac ((xuc va) OR (tuc va)) thanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky bang cac khoi. hieu ve cac ((xuc va) or (tuc va)) thanh di cua tre*.