Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
dau cua » dai cua, day cua, cau cua
van dau » van dao, phan dau
va cham » va chat, va tham
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
luc va » duc va, tuc va
loc va » hoc va
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: ((tu sach) OR (thu sach)) ky lang xa hoi. lieu va cham ((luc va) or (loc va)) van dau cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky lang xa hoi. lieu va cham ((luc va) OR (loc va)) van dau cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ky lang xa hoi. lieu va cham ((luc va) or (loc va)) van dau cua te*".