Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi thoai do snippets" » "hoi khoa do snippets", "hoi tai do snippets", "hoi thi do snippets", "hoi thai do snippets", "hoi thoai ho snippets", "hoi thoai dan 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 thoai do 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 thoai do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi thoai do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi thoai do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.