Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
ban thanh » ban hanh, ban hang
tu sach » thu sach, su sach, te sach
duc ban » duc tan, duc van, dua ban
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
so sach » so sanh, bo sach, co sach
nang o » nang co, nang ho, nang ro
cua tu » cua tuc, cua su, cua cu
o hoi » co hoi, o hoc, o hai

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 (so sach)) ky nang o hoi. hieu ve pham duc ban thanh lai ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (so sach)) ky nang o hoi. hieu ve pham duc ban thanh lai ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (so sach)) ky nang o hoi. hieu ve pham duc ban thanh lai ((cua te) or (cua tu))*.