Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao duc minh slippers" » "dao duc anh slippers", "giao duc minh slippers", "tao duoc minh slippers", "dao duc minh slippery", "dao duc minh 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 duc minh 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 duc minh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao duc minh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao duc minh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.