Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gai dan den snippets" » "cai dan den snippets", "hai dan den snippets", "giai doan den snippets", "gai ban den snippets", "gai van den snippets", "gai dan dung 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: (((("gai dan den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gai dan den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gai dan den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gai dan den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.