Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
lai cua » hai cua, lai chau, thai cua
ve cac » va cac, vien cac
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 ((nang x) or (lang xa)) hoi. hieu ve cac xuc va hanh ((lai cua) or (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang x) OR (lang xa)) hoi. hieu ve cac xuc va hanh ((lai cua) OR (dai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang x) or (lang xa)) hoi. hieu ve cac xuc va hanh ((lai cua) or (dai cua)) tre*.