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