Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vun va cong snippets" » "vun tai cong snippets", "vun cua cong snippets", "vung va cong snippets", "van va cong snippets", "von va 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: (((("vun 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: (((("vun va cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vun va cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vun va cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.