Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
ve cham » va cham, ve chat, vu cham
tu sach » thu sach, su sach, te sach
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
xuc van » duc van, luc van, xuc ban
vi cua » vai cua, di cua
tu sac » tu cac, tu san, tu bac
ve cam » ve cac, va cam, ve cai

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

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