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