Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
dua tren » dung tren
danh lai » danh sai, gianh lai, dinh lam
sach ky » sac ky, sach y, sach ty
va danh » va dinh, va dan, va hanh
ve cham » va cham, ve chat, vu cham
sang xa » song xa, lang xa, sang ma
ky sang » ky nang, ky dang, ky tang
xuc va » duc va, tuc va, luc va
ve cam » ve cac, va cam, ve cai
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky sang xa hoi. hieu ((ve cam) OR (ve cham)) xuc va danh lai ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky sang xa hoi. hieu ((ve cam) OR (ve cham)) xuc va danh lai ((dua tren) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky sang xa hoi. hieu ((ve cam) OR (ve cham)) xuc va danh lai ((dua tren) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: toc sach ky sang xa hoi. hieu ((ve cam) OR (ve cham)) xuc va danh lai ((dua tren) or (cua te))*.