Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"toan ngan java slippers" » "tai ngan java slippers", "toan ban java slippers", "toan nha java slippers", "toan ngu java slippers", "toan ngan java slippery", "toan ngan java grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("toan ngan java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan ngan java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan ngan java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan ngan java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.