Perhaps you should try some spelling variations:
ban thanh » ban hang
ban hanh » ban hang
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
san cua » sang cua, ban cua, dan cua
va cam » va cham, va cac, va cao
y lang » o lang, _ lang, tay lang
ve cam » ve cham, ve cac, ve cai
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: su sach y lang xa hoi. hieu ((ve cam) OR (va cam)) lo ((ban thanh) or (ban hanh)) san cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y lang xa hoi. hieu ((ve cam) OR (va cam)) lo ((ban thanh) OR (ban hanh)) san cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y lang xa hoi. hieu ((ve cam) OR (va cam)) lo ((ban thanh) or (ban hanh)) san cua te".
• Adding a wildcard symbol may retrieve word variants: su sach y lang xa hoi. hieu ((ve cam) OR (va cam)) lo ((ban thanh) or (ban hanh)) san cua te*.