Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, ban danh
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
ty lang » tay lang, ty xang, ty hang
lang xa » lang ha, dang xay, lang van
cau xuc » cam xuc, cau luc, chat xuc
sach ty » sach y, sach tu, sach thu
doi cua » dai cua, hoi cua
di cua » dai cua, de cua, do 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 ty lang xa hoi. hieu van ((cau xuc) or (cau truc)) ban doanh ((di cua) OR (doi cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty lang xa hoi. hieu van ((cau xuc) OR (cau truc)) ban doanh ((di cua) OR (doi cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty lang xa hoi. hieu van ((cau xuc) or (cau truc)) ban doanh ((di cua) OR (doi cua)) te".
• Adding a wildcard symbol may retrieve word variants: tu sach ty lang xa hoi. hieu van ((cau xuc) or (cau truc)) ban doanh ((di cua) OR (doi cua)) te*.