Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ngan do van snippets" » "ngay do van snippets", "nganh dao van snippets", "nganh co van snippets", "ngan dao van snippets", "ngan vo van snippets", "ngan so van snippets", "ngan do van slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngan do van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( ngan do van snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ngan do van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.