Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat cau song snippets" » "mat cau cong snippets", "mat cau dong snippets", "mat can song snippets", "mau cau song snippets", "dat cau song 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 cau song 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 cau song snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat cau song snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat cau song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.