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