Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat ky chat snippets" » "nhat ly chat snippets", "nhat ky chau snippets", "nhat ky nhat snippets", "nhan ky chat 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 ky chat 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 ky chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat ky chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat ky chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.