Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can sach cap snippets" » "ban sach cap snippets", "cao sach cap snippets", "cau sach cap snippets", "can sach dao snippets", "can sach bai snippets", "can sach xa 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: (((("can sach cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can sach cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can sach cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can sach cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.