Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang pham mo snippets" » "nang phan mo snippets", "nang phat mo snippets", "hang pham mo snippets", "nang phap mo snippets", "nang pham ma snippets", "nang pham o 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: (((("nang pham mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang pham mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang pham mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang pham mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.