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