Perhaps you should try some spelling variations:
tham xuc » tham nuoc, tham thuc, pham duc
sach hay » sach han, sach ha, sach nay
nang cau » nang cao, hang cau, nang dau
va danh » va dinh, va dan, va hanh
sach ty » sach y, sach tu, sach thu
va tham » van tham, va cham, va thanh
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach hay) or (sach ty)) nang cau hoi. lieu va tham xuc va danh ((di cua) or (de cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hay) OR (sach ty)) nang cau hoi. lieu va tham xuc va danh ((di cua) OR (de cua)) triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hay) or (sach ty)) nang cau hoi. lieu va tham xuc va danh ((di cua) or (de cua)) triet*.