Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi ngan de snippets" » "doi nganh de snippets", "doi nhan de snippets", "dai ngan de snippets", "doi ngay de snippets", "doi ngan ve snippets", "doi ngang ve 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: (((("doi ngan 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: (((("doi ngan de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi ngan de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi ngan de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.