Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat sung mot snippets" » "chat song mot snippets", "van sung mot snippets", "hae sun mot snippets", "hat dung mot snippets", "hat dung mo snippets", "hat dung moi 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: (((("hat sung mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat sung mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat sung mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat sung mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.