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