Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can nghe gom snippets" » "van nghe gom snippets", "cap nghe gom snippets", "cac nghe gom snippets", "can nghe hoa snippets", "can nghe noi snippets", "can nghe co 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: (((("can nghe gom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can nghe gom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can nghe gom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can nghe gom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.