Perhaps you should try some spelling variations:
danh doanh » doanh doanh, hanh doanh, kinh doanh
soc danh » hoc danh, so danh, soc dan
ky lang » ky tang, tay lang
ky dang » ky danh
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua tre, cau tren, cau treo
tu sac » tu sach, tu cac, tu san

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ((((ky lang) OR (ky nang))) or (ky dang)) xa hoi. hieu ve cham soc danh doanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((((ky lang) OR (ky nang))) OR (ky dang)) xa hoi. hieu ve cham soc danh doanh tai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((((ky lang) OR (ky nang))) or (ky dang)) xa hoi. hieu ve cham soc danh doanh tai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ((((ky lang) OR (ky nang))) or (ky dang)) xa hoi. hieu ve cham soc danh doanh tai cuu tre*.