Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha lich hoc snippets" » "phan tich hoc snippets", "phan dich hoc snippets", "phan xich hoc snippets", "pha dich hoc snippets", "pha lich thuc snippets", "pha sinh hoc 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: (((("pha lich hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha lich hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha lich hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha lich hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.