Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach pham mo snippets" » "cach pha mo snippets", "cach phat mo snippets", "tac pham mo snippets", "cach phap mo snippets", "cach pham ma snippets", "cach 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: (((("cach 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: (((("cach pham mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach pham mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach pham mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.