Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
te sach » toc sach
hanh di » hanh de, hang di, danh di
cua tre » cua te, cuu tre, cua triet
ve cham » va cham, ve chat, vu cham
ve cac » va cac, vien cac
x hoi » xa hoi, o hoi, x ho

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 thu nang x hoi. hieu ((ve cham) or (ve cac)) tuc xa ((hanh di) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu nang x hoi. hieu ((ve cham) OR (ve cac)) tuc xa ((hanh di) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach thu nang x hoi. hieu ((ve cham) or (ve cac)) tuc xa ((hanh di) or (hanh vi)) cua tre*.