Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap dao chu snippets" » "phap day chu snippets", "phap dam chu snippets", "phap dau chu snippets", "phap dao phu snippets", "phap cao chu snippets", "phap dao cau 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: (((("phap dao chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap dao chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap dao chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap dao chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.