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