Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat cong dot snippets" » "chat cong dot snippets", "bat cong dot snippets", "ha cong dot snippets", "hat cong mot snippets", "hat cong dong snippets", "hat cong doan 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 cong dot 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 cong dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat cong dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat cong dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.