Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thanh vi » hanh vi, thanh va, thanh ve
thuc day » thuc dan, thuc vat
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan
vi cua » vai cua, di cua
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
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: thuoc sach v nang xa hoi. ((hieu ve) or (hieu va)) cau ((thuc va) or (thuc day)) thanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach v nang xa hoi. ((hieu ve) OR (hieu va)) cau ((thuc va) OR (thuc day)) thanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: thuoc sach v nang xa hoi. ((hieu ve) or (hieu va)) cau ((thuc va) or (thuc day)) thanh vi cua tu*.