Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nano va don snippets" » "nano va dong snippets", "nano va doc snippets", "nano va do snippets", "nang va don snippets", "nao va don 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: (((("nano va 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: (((("nano va don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nano va don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nano va don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.