Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khau dan hoe snippets" » "khau luan hoe snippets", "khao danh hoe snippets", "nhan dan hoe snippets", "khau van hoe snippets", "khau dan hoc snippets", "khau dan hoi 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: (((("khau dan hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khau dan hoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khau dan hoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khau dan hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.