Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hoc sach » hoc sinh, hoc cac, hoc anh
ty danh » ty doanh, ty anh, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
tay ho » tay co, tay o, tay khao
ve cam » ve cham, ve cac, va cam
le cua » ly cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ty danh ((xay hoi) or (tay ho)). hieu ve cam duc ((va tinh) or (may tinh)) le cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ty danh ((xay hoi) OR (tay ho)). hieu ve cam duc ((va tinh) OR (may tinh)) le cua triet.
• Adding a wildcard symbol may retrieve word variants: hoc sach ty danh ((xay hoi) or (tay ho)). hieu ve cam duc ((va tinh) or (may tinh)) le cua triet*.