Perhaps you should try some spelling variations:
ban huong » bang phuong, ban hang, anh huong
cua triet » cua viet, su triet, va triet
va huong » va thuong, va phuong, va tuong
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
cao tuc » dao tuc, cao duc, cao suc
xa hung » ba hung, ha hung, la hung
doi cua » dai cua, hoi cua
va cao » va cac, va co, va dao

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 nang x ho. hieu va cao tuc ((((xa hung) or (ban huong))) or (va huong)) doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang x ho. hieu va cao tuc ((((xa hung) OR (ban huong))) OR (va huong)) doi cua triet.
• Adding a wildcard symbol may retrieve word variants: so sach ky nang x ho. hieu va cao tuc ((((xa hung) or (ban huong))) or (va huong)) doi cua triet*.