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