Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
vu cham » va cham, vu kham, tu cham
va doan » va doanh, van doan, va dan
ve chat » va chat, van chat
ve cham » va cham, ve chim, viet cham
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
luc va » duc va, tuc va, loc va
va cua » va chua, via cua, ca cua

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 y lang xa hoi. hieu ((((ve cham) OR (ve chat))) or (vu cham)) luc va doan va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y lang xa hoi. hieu ((((ve cham) OR (ve chat))) OR (vu cham)) luc va doan va cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y lang xa hoi. hieu ((((ve cham) OR (ve chat))) or (vu cham)) luc va doan va cua tre*".