Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap chua da snippets" » "phap chuan da snippets", "phap chu da snippets", "phap chuc da snippets", "phap chua dac snippets", "phap chua dan snippets", "phap chua dau 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 chua 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 chua da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap chua da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap chua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.