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