Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap du cu snippets" » "phap dau cu snippets", "phap tu cu snippets", "pha du cu snippets", "phap cu cu snippets", "phap su cu snippets", "phap da cu 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 du cu 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 du cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap du cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap du cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.