Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc su oc snippets" » "quoc suu oc snippets", "luoc su oc snippets", "duoc su oc snippets", "quoc su hoc snippets", "quoc su o 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: (((("quoc su oc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quoc su oc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc su oc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc su oc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.