Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach cap cau snippets" » "sach dao cau snippets", "sach bai cau snippets", "sach xa cau snippets", "sach cap cuu snippets", "sach ca cau snippets", "sach cac cau 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 cap cau 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 cap cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach cap cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach cap cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.