Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con mat chan snippets" » "con mat can snippets", "con mau chan snippets", "con mat chinh snippets", "co mat chan snippets", "chop mat chan snippets", "cong may chan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("con mat chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con mat chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con mat chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con mat chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.