Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu ly xe snippets" » "lieu ky xe snippets", "lieu xay xe snippets", "lieu lon xe snippets", "lieu ly ke snippets", "lieu ly ve snippets", "lieu ly he 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 ly xe 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 ly xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu ly xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu ly xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.