Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hung toan ho snippets" » "hung tran ho snippets", "dung toan ho snippets", "hung tuan ho snippets", "hung toan hoc snippets", "hung toan khoa snippets", "hung 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: (((("hung 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: (((("hung toan ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung toan ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung toan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.