Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat can danh slippers" » "bat van danh slippers", "bat cao danh slippers", "bat cau danh slippers", "ban can danh slippers", "bat can danh slippery", "bat can 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: (((("bat can 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: (((("bat can danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat can danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat can danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.