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 anh code snippets" » "luan danh code snippets", "tuan anh code snippets", "lan anh code snippets", "luan anh co snippets", "luan anh cong 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 anh 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 anh code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( hang java java slippers ) or ( luan anh code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang java java slippers") or ("luan anh code snippets"))) or ("locating bugs code snippets"))*.