Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hoc sach » hoc sinh, hoc cac, hoc anh
va hanh » van hanh, va thanh, va danh
hoc sac » hoc cac, hoc mac, hoc sau
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sac) OR (hoc sach)) ky nang ma hoi. hieu ve cam xuc va hanh vi ((cua te) OR (ve triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc sac) OR (hoc sach)) ky nang ma hoi. hieu ve cam xuc va hanh vi ((cua te) or (ve triet))~".
• Adding a wildcard symbol may retrieve word variants: ((hoc sac) OR (hoc sach)) ky nang ma hoi. hieu ve cam xuc va hanh vi ((cua te) or (ve triet))*.