Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan det co snippets" » "nhan dat co snippets", "nhan dot co snippets", "nhan dieu co snippets", "nhan de co snippets", "nhan dep co snippets", "nhan deu co 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: (((("nhan det co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan det co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan det co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan det co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.