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