Perhaps you should try some spelling variations:
vien dai » hien dai
thu sach » thuat sach, thuoc sach, thu hoach
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » su sach, te sach, tu cach
lai cuu » lai cua, lai chau, lai cuoc
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
xang xa » lang xa, mang xa, ang 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) or (thu sach)) ty xang xa hoi. hieu ((ve cam) or (vien dai)) xuc va hanh lai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ty xang xa hoi. hieu ((ve cam) OR (vien dai)) xuc va hanh lai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ty xang xa hoi. hieu ((ve cam) or (vien dai)) xuc va hanh lai cuu tre*.