Perhaps you should try some spelling variations:
thieu vien » thieu nien, thieu bien, thu vien
cua viet » ca viet, hoa viet, cua vat
sach thu » sach thue, sach thieu, sach tham
bach xuc » bach tuoc, bach xuan, bach hue
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
ma hoi » mai hoi, ma hoa, me hoi
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua

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 thu) or (sac ky)) nang ((ma hoi) OR (xa hoi)). thieu vien bach xuc va hanh di cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach thu) OR (sac ky)) nang ((ma hoi) OR (xa hoi)). thieu vien bach xuc va hanh di cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach thu) or (sac ky)) nang ((ma hoi) OR (xa hoi)). thieu vien bach xuc va hanh di cua viet*".