Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc khoi de snippets" » "phuc hoi de snippets", "phuc khong de snippets", "phu khoa de snippets", "phuc khi de snippets", "phuc khoa de snippets", "phuc khoi he 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: (((("phuc khoi 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: (((("phuc khoi de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc khoi de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc khoi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.