Perhaps you should try some spelling variations:
thanh mang » thanh hang, hanh mang, nhanh mang
khao hoat » khao sat, cao hoat, khao ha
van thanh » ban thanh, van tuan
hoat van » hoa van, hat van, hoang van
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
hieu ve » hieu va, hieu van
hieu vu » hieu va, hieu su, dieu vu
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
sac ky » cac ky, sai ky
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 dang xa hoi. ((hieu vu) or (hieu ve)) khao hoat van thanh mang ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang xa hoi. ((hieu vu) OR (hieu ve)) khao hoat van thanh mang ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky dang xa hoi. ((hieu vu) or (hieu ve)) khao hoat van thanh mang ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang xa hoi. ((hieu vu) or (hieu ve)) khao hoat van thanh mang ((cua tre) OR (cuu tre))*.