Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuon sach mo snippets" » "duong sach mo snippets", "cuoc cach mo snippets", "co sach mo snippets", "cuon sach moi snippets", "cuon sach lo snippets", "cuon sach dao 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: (((("cuon sach mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuon sach mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuon sach mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuon sach mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.