Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cua danh slippers" » "doi cua doanh slippers", "doi cua dang slippers", "doi cua dan slippers", "hoi cua danh slippers", "dai cua danh slippers", "dong cua danh slippers", "doi cua danh slippery", "doi cua danh 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 cua danh 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 cua danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi cua danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cua danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.