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