Perhaps you should try some spelling variations:
"quang minh java slippers" » "quang ninh java slippers", "quang binh java slippers", "hoang minh java slippers", "quang trinh java slippers", "quang minh va slippers", "quang minh java slippery", "quang minh java grippers"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets"
"locating bug code 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: (((("quang minh java slippers") or ("dung cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quang minh java slippers") OR ("dung cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quang minh java slippers ) or ( dung cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quang minh java slippers") or ("dung cac code snippets"))) or ("locating bug code snippets"))*.