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