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