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