Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh cac de snippets" » "hang cac de snippets", "hanh cat de snippets", "nhanh cay de snippets", "hanh cach de snippets", "hanh cac du snippets", "hanh cac he 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: (((("hanh cac de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh cac de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh cac de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh cac de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.