Perhaps you should try some spelling variations:
thieu vien » thieu nien, thieu bien, thu vien
cua triet » cua viet, su triet, va triet
dai luoc » dai luong, khai luoc, dai hoc
vien dai » hien dai
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
luoc va » nuoc va, duoc va, loc va
sach ky » sach y, sach ty, sach kem
mai hoi » mai khoi, dai hoi, lai hoi
ma hoi » xa hoi, ma hoa, me hoi
sac ky » cac ky, sai ky
va cua » va chua, via cua, ca 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 ky) or (sac ky)) nang ((ma hoi) OR (mai hoi)). thieu vien dai luoc va hanh va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sac ky)) nang ((ma hoi) OR (mai hoi)). thieu vien dai luoc va hanh va cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) or (sac ky)) nang ((ma hoi) OR (mai hoi)). thieu vien dai luoc va hanh va cua triet*".