Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
ky dang » ky danh
loc van » luoc van, hoc van, loc va
tay ho » tay co, tay o, tay khao
va lam » van lam, va lap
lo van » le van, vo van, so van
vi cua » vai cua, di cua
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: so sach ((ky dang) or (ky nang)) tay ho. lieu va lam ((loc van) OR (lo van)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((ky dang) OR (ky nang)) tay ho. lieu va lam ((loc van) OR (lo van)) hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((ky dang) or (ky nang)) tay ho. lieu va lam ((loc van) OR (lo van)) hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: so sach ((ky dang) or (ky nang)) tay ho. lieu va lam ((loc van) OR (lo van)) hanh vi cua te*.