Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hang tai » hang va, dung tai
ve phan » va phan, ke phan, vi phan
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
thuc va » thuc vat, thuc dan, thuc day
ve phat » va phat, te phat, de phat
sach ly » sach y, sach lo, sach hay
tai hai » thi hai, dai hai, tai ha
sach ty » sach y, sach tu, sach thu
vi cua » vai cua, di 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 ly) or (sach ty)) hang tai hai. hieu ((ve phan) OR (ve phat)) thuc va danh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ly) OR (sach ty)) hang tai hai. hieu ((ve phan) OR (ve phat)) thuc va danh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ly) or (sach ty)) hang tai hai. hieu ((ve phan) OR (ve phat)) thuc va danh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ly) or (sach ty)) hang tai hai. hieu ((ve phan) OR (ve phat)) thuc va danh vi cua triet*.