Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"thi ngo java slippers" » "thi ngu java slippers", "thi ngo va slippers", "thi ngoc java slippers", "thi nga java slippers", "thi ngan java slippers", "thi ngo java slippery", "thi ngo 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: (((("thi ngo 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: (((("thi ngo java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ngo java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ngo java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.