Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trac hat mon snippets" » "tran nhat mon snippets", "tac ha mon snippets", "tra chat mon snippets", "trac hao mon snippets", "trac hau mon snippets", "trac nhap mon 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: (((("trac hat mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trac hat mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trac hat mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trac hat mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.