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