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