Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi co trinh slippers" » "doi co tranh slippers", "doi cong trinh slippers", "doi tao trinh slippers", "doi bo trinh slippers", "moi co trinh slippers", "hoi co trinh slippers", "doi co trinh slippery", "doi co trinh 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 co trinh 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 co trinh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi co trinh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi co trinh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.