Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
van nang » van quang, van ban, van dong
tu sach » thu sach, su sach, te sach
xuc van » duc van, luc van, vuc van
ve cac » va cac, vien cac
vi cua » vai cua, di cua
ve cam » ve cham, va cam, ve cai
v nang » va nang, vu nang, voi nang
cua te » cua tu

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 ((v nang) or (van nang)) xa hoi. hieu ((ve cam) OR (ve cac)) xuc van hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((v nang) OR (van nang)) xa hoi. hieu ((ve cam) OR (ve cac)) xuc van hanh vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((v nang) or (van nang)) xa hoi. hieu ((ve cam) OR (ve cac)) xuc van hanh vi cua te*".