Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dieu can bot snippets" » "dieu hanh bot snippets", "tiep can bot snippets", "dieu cua bot snippets", "dieu can bo snippets", "dieu can biet snippets", "dieu dang bot 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: (((("dieu can bot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dieu can bot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dieu can bot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dieu can bot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.