Perhaps you should try some spelling variations:
chieu chien » thien chien, hieu hien
hieu vien » hieu hien, hieu viec, thieu nien
sach thu » sach thue, sach thieu, sach tham
thu bang » thu ban, thu hang, chu bang
bang cai » bang cac, bang cau, bang hai
bach xuc » bach tuoc, bach xuan, bach hue
so sach » so sanh, bo sach, co sach
cai hoi » cau hoi, dai hoi, cai hoa
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua

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: so sach thu bang cai hoi. ((hieu vien) OR (chieu chien)) bach xuc va hanh vi cua vat~.
• Adding a wildcard symbol may retrieve word variants: so sach thu bang cai hoi. ((hieu vien) or (chieu chien)) bach xuc va hanh vi cua vat*.