Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong do noi snippets" » "dong dao noi snippets", "dong co noi snippets", "dang do noi snippets", "dong doi noi snippets", "dong do moi 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 do 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 do noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong do noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong do noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.