Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat vu hoan snippets" » "dat vu hoang snippets", "dat su hoan snippets", "dat thu hoan snippets", "dat va hoan snippets", "dao vu hoan 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: (((("dat vu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat vu hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat vu hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat vu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.