Perhaps you should try some spelling variations:
doanh sang » doanh quang, doanh ban, doanh van
vay doanh » van doanh, ly doanh, voi doanh
sang cua » mang cua, song cua, hang cua
tu sach » thu sach, su sach, te sach
tu cham » toc cham, thi cham
tuc vay » tuc va, tu vay, tuc xay
vu cham » va cham, vu kham, qua cham
ve cham » va cham, ve chat, ve chim
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang

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 (((vu cham) OR (tu cham)))) tuc vay doanh sang 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 (((vu cham) OR (tu cham)))) tuc vay doanh sang 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 (((vu cham) OR (tu cham)))) tuc vay doanh sang cua tre*".