Perhaps you should try some spelling variations:
nang van » dang van, tang van, lang van
sach ty » sach y, sach tu, sach thu
vai cua » dai cua, hai cua, lai cua
su sach » so sach, vu sach
van hoi » van hoa, van hoc, van hoe
ty nang » ky nang, ty xang, ty hang
va nam » van nam, ha nam, va nay
luc va » duc va, tuc va, loc va
vi cua » di cua
xuc va » duc va, tuc va, xac va

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 ((xuc va) OR (luc va)) hanh ((vi cua) or (vai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang van hoi. lieu va nam ((xuc va) OR (luc va)) hanh ((vi cua) OR (vai cua)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang van hoi. lieu va nam ((xuc va) OR (luc va)) hanh ((vi cua) or (vai cua)) triet*".