Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan cuu chat snippets" » "dan cuu phat snippets", "dan cao chat snippets", "dan cuu che snippets", "dan cu chat snippets", "dan cua chat snippets", "dan luu chat 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 cuu chat 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 cuu chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan cuu chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan cuu chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.