Perhaps you should try some spelling variations:
kho tang » cao tang
tang lap » sang lap, tan lap, tang ap
sach kho » bach khoa, sach dao, sach nha
so sach » so sanh, bo sach, co sach
va danh » va dinh, va dan, va hanh
lap hai » lap tai, lap lai, lap hoat
danh vi » hanh vi, dinh vi, danh di
cua cu » cua chu, cua cau, cua co
cua su » qua su
luc va » duc va, tuc va, loc va
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve cai

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

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