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