Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"sach dao tap snippets" » "lanh dao tap snippets", "sach dao tao snippets", "sach dao tay snippets", "sach dao gap snippets", "sach dao tap slippers"
"locating bug code snippets" » "locating bug code slippers", "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 dao tap 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 dao tap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach dao tap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach dao tap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.