Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
ban hanh » ban hang
va danh » va dinh, va dan, va hanh
sach ho » sach hoi, sach ha, sach lo
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
vi cua » vai cua, di cua
ve cam » ve cham, ve cac, va cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ho ((nang xa) OR (lang xa)) hoi. hieu ve cam xuc ((ban hanh) or (va danh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ho ((nang xa) OR (lang xa)) hoi. hieu ve cam xuc ((ban hanh) OR (va danh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ho ((nang xa) OR (lang xa)) hoi. hieu ve cam xuc ((ban hanh) or (va danh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ho ((nang xa) OR (lang xa)) hoi. hieu ve cam xuc ((ban hanh) or (va danh)) vi cua tre*.