Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat mo cho snippets" » "hat mon cho snippets", "hat do cho snippets", "nhat moi cho snippets", "hat mo chon snippets", "hat moi cho snippets", "hat mo ho 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 mo cho 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 mo cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat mo cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat mo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.