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