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