Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat va cong snippets" » "xuat va cong snippets", "luat ve cong snippets", "suat va cong snippets", "luat tai cong snippets", "luat cua cong 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: (((("luat va cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat va cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat va cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat va cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.