Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung ho vo snippets" » "tuong ho vo snippets", "trung hoc vo snippets", "trung hoa vo snippets", "tung hoc vo snippets", "tung hoa vo snippets", "tung ho voi 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: (((("tung ho vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tung ho vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung ho vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung ho vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.