Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phieu mo te snippets" » "phieu o te snippets", "thieu mot te snippets", "thieu so te snippets", "phieu mo de snippets", "phieu mo ta 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: (((("phieu mo te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phieu mo te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phieu mo te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phieu mo te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.