Perhaps you should try some spelling variations:
ban hoang » van hoang, quan hoang, tran hoang
cua triet » cua viet, su triet, va triet
chat xuc » chat huu, cam xuc, chao xu
ban hang » ngan hang
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
san cua » sang cua, ban cua, dan cua

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 xa hoi. hieu va chat xuc ((ban hoang) OR (ban hang)) san cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang xa hoi. hieu va chat xuc ((ban hoang) OR (ban hang)) san cua triet".
• Adding a wildcard symbol may retrieve word variants: so sach ky nang xa hoi. hieu va chat xuc ((ban hoang) OR (ban hang)) san cua triet*.