Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
ban hang » ngan hang
thai cua » than cua, tai cuc, tri cua
ky dang » ky danh
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
duc ban » duc tan, duc van, dua ban
hai cua » dai cua, hoi cua, lai cua
su sac » su sach, su cac, su xac

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) or (ky dang)) xa hoi. hieu ve cham duc ban hang ((hai cua) OR (thai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((ky nang) OR (ky dang)) xa hoi. hieu ve cham duc ban hang ((hai cua) OR (thai cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ((ky nang) or (ky dang)) xa hoi. hieu ve cham duc ban hang ((hai cua) OR (thai cua)) triet".
• Adding a wildcard symbol may retrieve word variants: su sac ((ky nang) or (ky dang)) xa hoi. hieu ve cham duc ban hang ((hai cua) OR (thai cua)) triet*.