Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » va thanh, va danh, ban hanh
va dinh » van dinh, va kinh, va tinh
ve cac » va cac, vien cac
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 ty xang xa hoi. hieu ve cac xuc ((((va hanh) OR (van hanh))) or (va dinh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty xang xa hoi. hieu ve cac xuc ((((va hanh) OR (van hanh))) OR (va dinh)) vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty xang xa hoi. hieu ve cac xuc ((((va hanh) OR (van hanh))) or (va dinh)) vi cua te".
• Adding a wildcard symbol may retrieve word variants: so sach ty xang xa hoi. hieu ve cac xuc ((((va hanh) OR (van hanh))) or (va dinh)) vi cua te*.