Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vong doi deu snippets" » "trong doi deu snippets", "huong doi deu snippets", "dung doi deu snippets", "vong doi dau snippets", "vong doi de snippets", "vong moi dieu 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: (((("vong doi deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vong doi deu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vong doi deu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vong doi deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.