Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cham duc » pham duc, cham soc, pham duy
lang van » dang van, tang van, hoang van
ban banh » ban hanh, ban anh, ban danh
doi cua » dai cua, hoi cua
hai cua » thai cua, dai cua, hoi cua
duc ban » duc tan, duc van, dua ban
va cham » va chat, va tham
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y ((lang xa) OR (lang van)) hoi. hieu va cham duc ban banh ((hai cua) or (doi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y ((lang xa) OR (lang van)) hoi. hieu va cham duc ban banh ((hai cua) OR (doi cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach y ((lang xa) OR (lang van)) hoi. hieu va cham duc ban banh ((hai cua) or (doi cua)) tre*".