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