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