Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thu » sach thue, sach thieu, sach tham
sach ty » sach y, sach tu, xach tay
lang xa » lang ha, dang xay, lang van
danh vi » hanh vi, dinh vi, danh di
va cam » va cham, va cac, va cao
xuc va » tuc va, luc va, xac va
vi cua » vai cua, di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach thu)) lang xa hoi. lieu va cam ((xuc va) OR (duc va)) danh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ty) OR (sach thu)) lang xa hoi. lieu va cam ((xuc va) or (duc va)) danh vi cua triet~".
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) OR (sach thu)) lang xa hoi. lieu va cam ((xuc va) or (duc va)) danh vi cua triet*.