Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong hoc phe snippets" » "dong hoc phe snippets", "cong hoa phe snippets", "cong coc phe snippets", "cong hoc pho snippets", "cong hoc he snippets", "cong 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: (((("cong 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: (((("cong hoc phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong hoc phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hoc phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.