Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan ki can snippets" » "dan ky can snippets", "dan ke can snippets", "dan li can snippets", "dan i can snippets", "dan khoi can snippets", "dan kinh can 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: (((("dan ki can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan ki can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan ki can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan ki can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.