Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui ban can snippets" » "bui van can snippets", "bui tan can snippets", "bui ba can snippets", "bui ban dan snippets", "bui ban hang snippets", "bui ban hanh 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: (((("bui ban can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bui ban can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui ban can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui ban can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.