Perhaps you should try some spelling variations:
"hang java java slippers" » "hang va java slippers", "hang java java slippery", "hang java java grippers"
"cuong linh code snippets" » "cuong link code snippets", "cuong dinh code snippets", "cuong minh code snippets", "cuong linh core snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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: (((("hang java java slippers") or ("cuong linh code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang java java slippers") OR ("cuong linh code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang java java slippers ) or ( cuong linh code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang java java slippers") or ("cuong linh code snippets"))) or ("locating bug code snippets"))*.