Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu phap da snippets" » "bien phap da snippets", "hien phap da snippets", "lieu phap day snippets", "lieu phap dam snippets", "lieu phap dao 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: (((("lieu phap da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu phap da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu phap da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu phap da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.