Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
hieu van » hieu va, thien van, lieu va
danh vai » danh sai, danh va, doanh van
cua tre » cuu tre, cua triet, dua tren
va danh » va dinh, va dan, va hanh
tu sach » thu sach, su sach, te sach
van lam » van nam
lang xa » lang ha, dang xay, lang van
bang xa » bang va, mang xa, ang xa
lam tu » nam tu, cam tu, dam tu
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 thue ((bang xa) OR (lang xa)) hoi. hieu van lam tu va danh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thue ((bang xa) OR (lang xa)) hoi. hieu van lam tu va danh vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach thue ((bang xa) OR (lang xa)) hoi. hieu van lam tu va danh vai ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach thue ((bang xa) OR (lang xa)) hoi. hieu van lam tu va danh vai ((cua tre) or (cua te))*.