Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi hanh tu slippers" » "doc hanh tu slippers", "doi khang tu slippers", "thi hanh tu slippers", "doi anh tu slippers", "doi danh tu slippers", "doi hanh tu slippery", "doi hanh 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: (((("doi hanh 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: (((("doi hanh tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi hanh tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi hanh tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.