Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao danh hoa snippets" » "khao danh hoa snippets", "cao danh hoa snippets", "han danh hoa snippets", "hao thanh hoa snippets", "hao khanh hoa snippets", "hao nganh hoa 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: (((("hao danh hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao danh hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao danh hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao danh hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.