Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va pham » van pham, va phat, va phap
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ca dan » cac dan, ca dao
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 sac ky nang xa hoi. hieu va pham duc ((ban thanh) or (ca dan)) dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang xa hoi. hieu va pham duc ((ban thanh) OR (ca dan)) dai cua te.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu va pham duc ((ban thanh) or (ca dan)) dai cua te*.