Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan ha canh snippets" » "nhanh ha canh snippets", "nhan hoa canh snippets", "nhan va canh snippets", "nhan ha anh snippets", "nhan ha manh snippets", "nhan khia canh 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: (((("nhan ha canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan ha canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan ha canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ha canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.