Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
hanh doi » hanh noi, hang doi, hanh moi
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac

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 xa hoi. hieu ((ve cam) or (ve cac)) duc va ((hanh doi) OR (thanh doi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu nang xa hoi. hieu ((ve cam) OR (ve cac)) duc va ((hanh doi) OR (thanh doi)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thu nang xa hoi. hieu ((ve cam) or (ve cac)) duc va ((hanh doi) OR (thanh doi)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach thu nang xa hoi. hieu ((ve cam) or (ve cac)) duc va ((hanh doi) OR (thanh doi)) cua tre*.