Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ben chi ca snippets" » "ban chi ca snippets", "banh chi ca snippets", "benh cho ca snippets", "ben chi cua snippets", "ben chim ca snippets", "ben chi a 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: (((("ben chi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ben chi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ben chi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ben chi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.