Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc phat lee snippets" » "hoc phan lee snippets", "hoc phap lee snippets", "hoc pho lee snippets", "hoc nhat le snippets", "hoc pham le snippets", "hoc phan le 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: (((("hoc phat lee snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc phat lee snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc phat lee snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc phat lee snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.