Perhaps you should try some spelling variations:
sach tham » sach nha
thoi cua » hoi cua, thai cua, troi cua
va thanh » gia thanh, ban thanh, va tinh
dang xay » dang van, van xay
cham tuc » nham thuc, pham thuc, tham thuc
va hanh » van hanh, va danh, ban hanh
vu sach » vu bach, su sach, vu khach
ve cham » va cham, ve chat, vu cham
lang xa » lang ha, lang van
hieu ve » hieu va, hieu van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach tham ((lang xa) or (dang xay)) hoi. hieu ve cham tuc ((va hanh) OR (va thanh)) thoi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach tham ((lang xa) OR (dang xay)) hoi. hieu ve cham tuc ((va hanh) OR (va thanh)) thoi cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach tham ((lang xa) or (dang xay)) hoi. hieu ve cham tuc ((va hanh) OR (va thanh)) thoi cua vat".
• Adding a wildcard symbol may retrieve word variants: vu sach tham ((lang xa) or (dang xay)) hoi. hieu ve cham tuc ((va hanh) OR (va thanh)) thoi cua vat*.