Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
sinh de » sinh dh, sinh dai
tinh de » tinh da, tinh he, minh de
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
ve coc » ve cuoc, ve cac
luc va » duc va, tuc va, loc va
ve co » vo co, va co, de co

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky lang xa hoi. hieu ((ve coc) OR (ve co)) luc va ((tinh de) OR (sinh de)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky lang xa hoi. hieu ((ve coc) or (ve co)) luc va ((tinh de) OR (sinh de)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ky lang xa hoi. hieu ((ve coc) or (ve co)) luc va ((tinh de) OR (sinh de)) cua tre*.