Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
thanh vi » hanh vi, thanh va, thanh ve
sach thu » sach thue, sach thieu, sach tham
dang xay » dang van, van xay
va thanh » gia thanh, ban thanh, va tinh
thuc va » thuc vat, thuc dan, thuc day
sach ty » sach y, sach tu, xach tay
vi cua » vai cua, di cua
ang xa » lang xa, mang xa, hoang xa
va nam » van nam, ha nam, va nay
cua tu » cua tuc, cua su, cua cu

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 ty) or (sach thu)) ((dang xay) or (ang xa)) hoi. lieu va nam thuc va thanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach thu)) ((dang xay) OR (ang xa)) hoi. lieu va nam thuc va thanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach thu)) ((dang xay) or (ang xa)) hoi. lieu va nam thuc va thanh vi cua tu*.