Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
su sach » so sach, vu sach
tu nang » tru nang, tu nong, tu nano
su cao » cu cao, vu cao, su co
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
ve cam » ve cac, va cam, ve cai
x hoi » xa hoi, o hoi, x ho

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

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