Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc than vo snippets" » "thuc thanh vo snippets", "thuc thai vo snippets", "thuc chan vo snippets", "thuc than va snippets", "thuc than doc snippets", "thuc than hoc 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: (((("thuc than 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: (((("thuc than vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc than vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc than vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.