Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hap bang cac snippets" » "hai bang cac snippets", "lap bang cac snippets", "cap bang cac snippets", "hap nang cao snippets", "hap hang ca snippets", "hap dung cac 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: (((("hap bang cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hap bang cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hap bang cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hap bang cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.