Perhaps you should try some spelling variations:
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
lang ha » long ha
xuc ban » duc ban, cuc ban, quoc ban
vai cua » dai cua, hai cua, lai cua
cua tu » cua tuc, cua su, cua cu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) OR (su sach)) _ lang ha noi. hieu ((van nam) or (van lam)) xuc ban hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) _ lang ha noi. hieu ((van nam) OR (van lam)) xuc ban hanh vai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) _ lang ha noi. hieu ((van nam) or (van lam)) xuc ban hanh vai cua tu".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (su sach)) _ lang ha noi. hieu ((van nam) or (van lam)) xuc ban hanh vai cua tu*.