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