Perhaps you should try some spelling variations:
sach hay » sach han, sach ha, sach nay
dia danh » dia ban, gia dinh
lang van » dang van, tang van, hoang van
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
cua tuc » cua duc, cua tu, cua thuoc
va phuc » van phuc, va thuc, xa phuc
lang xa » lang ha, dang xay
vi cua » vai cua, di cua
qua va » quan va, qua van, vua va

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 hay ((lang xa) or (lang van)) hoi. hieu qua va phuc ((va hanh) or (dia danh)) vi cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hay ((lang xa) OR (lang van)) hoi. hieu qua va phuc ((va hanh) OR (dia danh)) vi cua tuc.
• Adding a wildcard symbol may retrieve word variants: tu sach hay ((lang xa) or (lang van)) hoi. hieu qua va phuc ((va hanh) or (dia danh)) vi cua tuc*.