Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan luan cha snippets" » "doanh luan cha snippets", "dung luan cha snippets", "tang luan cha snippets", "dan luan chat snippets", "dan luan chi snippets", "dan luan nha 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: (((("dan luan cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan luan cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan luan cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan luan cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.