Perhaps you should try some spelling variations:
sach tham » sach nha
tham lang » nham nang, pham hang, thai bang
te sach » toc sach
hanh de » hanh ve, hanh kem
hanh di » hanh vi, hang di, danh di
luc van » luoc van, luu van, duc van
cua tre » cua te, cuu tre, cua triet
lang va » lang van, hang va, lang ha
ve cai » va cai, ve tai, ve cau
va hoi » xa hoi, va hoc, va hoa
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 tham lang va hoi. hieu ((ve cai) or (ve cac)) luc van ((hanh di) or (hanh de)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tham lang va hoi. hieu ((ve cai) OR (ve cac)) luc van ((hanh di) OR (hanh de)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach tham lang va hoi. hieu ((ve cai) or (ve cac)) luc van ((hanh di) or (hanh de)) cua tre*.