Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao co cho snippets" » "khac co cho snippets", "khao cuu cho snippets", "khao noi cho snippets", "khao cao cho snippets", "khao con cho snippets", "khao co che 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 co cho 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 co cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao co cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao co cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.