Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
thanh tai » thanh hai, thanh toan, doanh tai
cau tren » cu tren, dau tren, ca tren
soc danh » hoc danh, so danh, soc dan
cuu tre » cua tre, cau treo
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ky dang » ky nang, ky danh
ky lang » ky nang, ky tang, tay lang
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 dang)) xa hoi. hieu ve cham soc danh thanh tai ((cuu tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky lang) OR (ky dang)) xa hoi. hieu ve cham soc danh thanh tai ((cuu tre) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky lang) or (ky dang)) xa hoi. hieu ve cham soc danh thanh tai ((cuu tre) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky lang) or (ky dang)) xa hoi. hieu ve cham soc danh thanh tai ((cuu tre) OR (cau tren))*.