Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu nhat cho snippets" » "thu nhat cho snippets", "chau nhan cho snippets", "cu nhan cho snippets", "chu chat cho snippets", "chu nhat co snippets", "chu nhat nheo 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: (((("chu nhat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu nhat cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu nhat cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu nhat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.