Perhaps you should try some spelling variations:
sach tham » sach nha
tham lang » nham nang, pham hang, thai bang
hanh vai » hanh vi, hanh va, hanh tai
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cac dac » cac dan, cac dai, cac bac
cao duc » dao duc, cao suc, giao duc
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
cua te » cua tu

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 va ((cac dac) or (cao duc)) va hanh vai ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tham lang xa hoi. hieu va ((cac dac) OR (cao duc)) va hanh vai ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tham lang xa hoi. hieu va ((cac dac) or (cao duc)) va hanh vai ((cua tre) OR (cua te))*".