Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong tu hoa snippets" » "dong luc hoa snippets", "thong tu hoa snippets", "dong tai hoa snippets", "dong tu khoa snippets", "dong tu hoai snippets", "dong tuy hoa 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 tu hoa 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 tu hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tu hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tu hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.