Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hang » ngan hang
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
hang di » hang doi, hang vi, hang dien
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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 ky nang x hoi. hieu va ((nhan luc) or (nang luc)) ban hang di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. hieu va ((nhan luc) OR (nang luc)) ban hang di cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. hieu va ((nhan luc) or (nang luc)) ban hang di cua triet*.