Perhaps you should try some spelling variations:
nang van » dang van, tang van, lang van
van hanh » van thanh, ban hanh, van anh
van hoi » van hoa, van hoc, van hoe
hieu va » lieu va, hieu qua
nam xuc » cam xuc, nam xua, nam thuc
va hanh » va thanh, va danh, ban hanh
vai cua » dai cua, hai cua, lai cua
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
va nam » van nam, ha nam, va nay
vi cua » di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang van hoi. hieu va nam xuc ((va hanh) OR (van hanh)) ((vi cua) or (vai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang van hoi. hieu va nam xuc ((va hanh) OR (van hanh)) ((vi cua) OR (vai cua)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang van hoi. hieu va nam xuc ((va hanh) OR (van hanh)) ((vi cua) or (vai cua)) triet*".