Perhaps you should try some spelling variations:
cua triet » su triet, va triet
van hanh » van thanh, van anh, van ban
ban hanh » ban hang
cua viet » ca viet, hoa viet, cua vat
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam

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 ky lang xa hoi. hieu ve cam xuc ((van hanh) or (ban hanh)) vai ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang xa hoi. hieu ve cam xuc ((van hanh) OR (ban hanh)) vai ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang xa hoi. hieu ve cam xuc ((van hanh) or (ban hanh)) vai ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang xa hoi. hieu ve cam xuc ((van hanh) or (ban hanh)) vai ((cua triet) OR (cua viet))*.