Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh sach he snippets" » "sinh sach he snippets", "tinh sach he snippets", "chinh sach he snippets", "dinh sach che snippets", "dinh sach ha snippets", "dinh sach de 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: (((("dinh sach he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh sach he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh sach he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh sach he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.