Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con vu cham snippets" » "con va cham snippets", "con vu kham snippets", "con tu cham snippets", "cong vu cham snippets", "con cu cham 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 vu cham 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 vu cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con vu cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con vu cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.