Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi dieu can snippets" » "thi dieu can snippets", "chi hieu can snippets", "chi tieu can snippets", "chi dieu hanh snippets", "chi tiep can snippets", "chi dieu cua 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: (((("chi dieu 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: (((("chi dieu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi dieu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi dieu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.