Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va hanh » van hanh, va thanh, va danh
vu cham » va cham, vu kham, tu cham
ve cham » va cham, ve chat, ve chim
vu sach » vu bach, su sach, vu khach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
te sach » toc sach
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: ((vu sach) or (te sach)) ky lang xa hoi. hieu ((ve cham) or (vu cham)) soc va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (te sach)) ky lang xa hoi. hieu ((ve cham) OR (vu cham)) soc va hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (te sach)) ky lang xa hoi. hieu ((ve cham) or (vu cham)) soc va hanh vi cua triet*.