Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong dam de snippets" » "cong dan de snippets", "cong nam de snippets", "tong dam de snippets", "cong dai de snippets", "cong dam me snippets", "cong dam da 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: (((("cong dam de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong dam de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong dam de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dam de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.