Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi moi hoa snippets" » "thi moi hoa snippets", "phi loi hoa snippets", "khi moi hoa snippets", "phi mon hoa snippets", "phi boi hoa snippets", "phi doi hoa 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: (((("phi moi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi moi hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi moi hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi moi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.