Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan so cay snippets" » "luat so cay snippets", "quan so cay snippets", "luan san cay snippets", "luan so cap snippets", "luan si cay snippets", "luan so cau 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 ("luan so cay snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("luan so cay snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( luan so cay snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("luan so cay snippets"))) or ("locating bug code snippets"))*.