Perhaps you should try some spelling variations:
van chinh » va chinh, lan chinh, van thinh
cua thep » cua tiep, cua thiet, cot thep
dua tren » dung tren
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
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 san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky nang xa hoi. hieu ve cam cuc van chinh tri ((((cua thep) or (dua tren))) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang xa hoi. hieu ve cam cuc van chinh tri ((((cua thep) OR (dua tren))) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu san ky nang xa hoi. hieu ve cam cuc van chinh tri ((((cua thep) or (dua tren))) or (cuu tre))*.