Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, nang cao, mang may
sang ma » tang ma, sang tao, mang may
soc va » hoc va, loc va, doc va
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 y ((nang xa) or (((nang ma) OR (sang ma)))) hoi. hieu ve cham soc va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang xa) OR (((nang ma) OR (sang ma)))) hoi. hieu ve cham soc va hanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y ((nang xa) or (((nang ma) OR (sang ma)))) hoi. hieu ve cham soc va hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach y ((nang xa) or (((nang ma) OR (sang ma)))) hoi. hieu ve cham soc va hanh vi cua triet*.