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