Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu tap ve snippets" » "lieu tai ve snippets", "lieu phap ve snippets", "lieu tham ve snippets", "lieu tap va snippets", "lieu dap ve 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 tap ve 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 tap ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu tap ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu tap ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.