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