Perhaps you should try some spelling variations:
sach ty » sach y, sach tu, sach thu
hoi cua » hoi chuc
hai cua » thai cua, dai cua, lai cua
te sach » toc sach
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
thuc va » thuc vat, thuc dan, thuc day
va co » vo co

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty lang xa hoi. hieu va co ((thuc va) or (hoc dan)) danh ((hai cua) OR (hoi cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty lang xa hoi. hieu va co ((thuc va) OR (hoc dan)) danh ((hai cua) OR (hoi cua)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty lang xa hoi. hieu va co ((thuc va) or (hoc dan)) danh ((hai cua) OR (hoi cua)) triet*".