Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thue xuat ca snippets" » "thue luat ca snippets", "thue quan ca snippets", "tu xuat ca snippets", "thue xuat cua snippets", "thue xuat cac snippets", "thue xuat va 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: (((("thue xuat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thue xuat ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thue xuat ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thue xuat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.