Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hung cau hoc snippets" » "nhung cau hoc snippets", "huong cau hoc snippets", "hang cau hoc snippets", "hung cau hoi snippets", "hung cau hoa snippets", "hung cao 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: (((("hung cau 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: (((("hung cau hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung cau hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung cau hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.