Perhaps you should try some spelling variations:
sach tham » sach nha
tham nang » nham nang, tham lang, tham nhung
vien cac » vien bach, vien dai, vien da
hanh di » hanh vi, hanh de, hang di
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
ve cai » va cai, ve cac, ve tai
luc va » tuc va, loc va
di cua » dai cua, doi cua, de cua

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 tham nang x ho. hieu ((ve cai) or (vien cac)) ((duc va) or (luc va)) hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tham nang x ho. hieu ((ve cai) OR (vien cac)) ((duc va) OR (luc va)) hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach tham nang x ho. hieu ((ve cai) or (vien cac)) ((duc va) or (luc va)) hanh di cua tre*.