Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong nhu doc snippets" » "song nhu doc snippets", "dang nhu doc snippets", "bong nhu doc snippets", "dong nhu duoc snippets", "dong nu doc snippets", "dong chau doc 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: (((("dong nhu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong nhu doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong nhu doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong nhu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.