Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan li chon snippets" » "dan ly chon snippets", "dan lua chon snippets", "dan li phong snippets", "ban li chon snippets", "han li chon snippets", "pan li chon 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 li chon 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 li chon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan li chon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan li chon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.