Perhaps you should try some spelling variations:
soc danh » so danh, soc dan, sach danh
hoc danh » hoc dan, hoc anh, hoc hanh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua tre, cau tren, cau treo
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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 xa hoi. hieu va chat ((soc danh) OR (hoc danh)) doanh tai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky lang xa hoi. hieu va chat ((soc danh) OR (hoc danh)) doanh tai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu va chat ((soc danh) OR (hoc danh)) doanh tai cuu tre*.