Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
ban hang » ngan hang
thu nang » thi nang, thu hang, thu bang
van hanh » van thanh, ban hanh, van anh
so sach » bo sach, co sach, hoc sach
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
nang xa » nang x, lang xa, nang ma
so sanh » do sanh
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) or (so sanh)) thu nang xa hoi. hieu ve pham chuc ((van hanh) or (ban hang)) dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) thu nang xa hoi. hieu ve pham chuc ((van hanh) OR (ban hang)) dai cua te.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (so sanh)) thu nang xa hoi. hieu ve pham chuc ((van hanh) or (ban hang)) dai cua te*.