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