Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang don cac snippets" » "dang do cac snippets", "dang dan cac snippets", "dang mon cac snippets", "dang dong cac snippets", "dang ton cac 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: (((("dang don cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang don cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang don cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang don cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.