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