Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap khac da snippets" » "nhap khau da snippets", "phap phat da snippets", "phap phan da snippets", "phap khac dai snippets", "phap kham da snippets", "phap khac di 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 khac da 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 khac da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap khac da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap khac da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.