Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan chi mot snippets" » "toan cao mot snippets", "tai chi mot snippets", "luan chi mot snippets", "toan cho mot snippets", "toan chi mo snippets", "toan chi hoat 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: (((("toan chi mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan chi mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan chi mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan chi mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.