Perhaps you should try some spelling variations:
thang mua » thang cua, than cua, thang va
thu sach » tu sach, thuat sach, thuoc sach
sach thu » sach thue, sach thieu, sach tham
thang ma » tang ma, thang va, than ma
truc va » thuc vat, trung va
thuc va » thuc vat, thuc dan, thuc day
cuu tre » cua tre, cau tren, cau treo
va cau » van cau, va cac, va dau
vi cuu » vi luu, vinh cuu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach thu ((thang ma) OR (thang mua)) hoa. lieu va cau ((truc va) OR (thuc va)) hanh vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach thu ((thang ma) OR (thang mua)) hoa. lieu va cau ((truc va) or (thuc va)) hanh vi cuu tre~".
• Adding a wildcard symbol may retrieve word variants: thu sach thu ((thang ma) OR (thang mua)) hoa. lieu va cau ((truc va) or (thuc va)) hanh vi cuu tre*.