Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao ly quang slippers" » "dao le quang slippers", "dao vu quang slippers", "dai ly quang slippers", "dao li quang slippers", "dao ly quang slippery", "dao ly quang 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 ly quang 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 ly quang slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao ly quang slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao ly quang slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.