Perhaps you should try some spelling variations:
sach tham » sach nha
tham hang » pham hang, thai hang, tham lang
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
ve cai » va cai, ve tai, ve cau
va hoi » xa hoi, va hoc, va hoa
di cua » dai cua, doi cua, de cua
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 hang va hoi. hieu ((ve cai) or (ve cac)) xuc ((van hanh) OR (ban hanh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tham hang va hoi. hieu ((ve cai) OR (ve cac)) xuc ((van hanh) OR (ban hanh)) di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tham hang va hoi. hieu ((ve cai) or (ve cac)) xuc ((van hanh) OR (ban hanh)) di cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach tham hang va hoi. hieu ((ve cai) or (ve cac)) xuc ((van hanh) OR (ban hanh)) di cua tre*.