Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi trinh mo snippets" » "hoi tinh mo snippets", "doi trinh mo snippets", "hoc trinh mo snippets", "hoi trinh do snippets", "hoi trinh co snippets", "hoi trinh 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: (((("hoi trinh mo 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 trinh mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi trinh mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi trinh mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.