Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"from mat cua snippets" » "from vat cua snippets", "from data cua snippets", "from fast cua snippets", "from ma cua snippets", "from manh cua snippets", "from mang cua 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: (((("from mat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("from mat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( from mat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("from mat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.