Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con hang cho snippets" » "con bang cho snippets", "con hong cho snippets", "con nang cho snippets", "con sang cho snippets", "con han cho snippets", "con tang cho 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 hang cho 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 hang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con hang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con hang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.