Perhaps you should try some spelling variations:
sach tham » sach nha
tham lang » nham nang, pham hang, thai bang
su sach » so sach, vu sach
va dinh » van dinh, va kinh, va tinh
va danh » va dan, va hanh, dia danh
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

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

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