Perhaps you should try some spelling variations:
nang van » dang van, tang van, lang van
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
van hoi » van hoa, van hoc, van hoe
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
va nam » ha nam, va nay
xuc va » duc va, tuc va, luc va
vi cua » vai 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 sach ty nang van hoi. lieu ((va nam) OR (van nam)) xuc va hanh ((vi cua) or (hai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang van hoi. lieu ((va nam) OR (van nam)) xuc va hanh ((vi cua) OR (hai cua)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang van hoi. lieu ((va nam) OR (van nam)) xuc va hanh ((vi cua) or (hai cua)) triet*".