Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long toan ho snippets" » "bong toan ho snippets", "cong toan ho snippets", "long doan ho snippets", "long toan hoc snippets", "long toan khoa snippets", "long toan cao 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: (((("long toan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long toan ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long toan ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long toan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.