Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan gi de snippets" » "nhan bi de snippets", "nhan tai de snippets", "nhanh vi de snippets", "nhan gia de snippets", "nhan ga de snippets", "nhan gi he 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 gi de 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 gi de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan gi de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan gi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.