Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi chat cao snippets" » "hop chat cao snippets", "hoa chat cao snippets", "hoc chat cao snippets", "hoi chat co snippets", "hoi chat cho snippets", "hoi chat bao 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: (((("hoi chat cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi chat cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi chat cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi chat cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.