Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao phuc de snippets" » "khac phuc de snippets", "khu phuc de snippets", "pham phuc de snippets", "khao phuc le snippets", "khao phuc se snippets", "khao phuc sen 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: (((("khao phuc 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: (((("khao phuc de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao phuc de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao phuc de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.