Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van chinh » va chinh, lan chinh, van thinh
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
cam cuc » cam xuc, cham cuu, pham cuc
cuc van » chuc van, cuu van, cac van
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 nang xa hoi. ((hieu ve) OR (hieu va)) cam cuc van chinh tri ((cua triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. ((hieu ve) OR (hieu va)) cam cuc van chinh tri ((cua triet) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. ((hieu ve) OR (hieu va)) cam cuc van chinh tri ((cua triet) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. ((hieu ve) OR (hieu va)) cam cuc van chinh tri ((cua triet) or (cuu tre))*.