Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi van son snippets" » "noi va son snippets", "doi van son snippets", "moi van son snippets", "noi van dong snippets", "noi van cong snippets", "noi van sung 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: (((("noi van son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi van son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi van son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi van son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.