Perhaps you should try some spelling variations:
dung sai » dung tai, dung va, dung dat
sach ky » sac ky, sach ty, sach kem
sai cua » dai cua, hai cua, lai cua
va dung » van dung, va duong, vat dung
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, nang ma, mang xa
ve cam » ve cham, ve cac, va cam
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: tu ((sach ky) or (sach y)) ((nang xa) or (lang xa)) hoi. hieu ve cam xuc va dung sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) ((nang xa) OR (lang xa)) hoi. hieu ve cam xuc va dung sai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) ((nang xa) or (lang xa)) hoi. hieu ve cam xuc va dung sai cua tre*.