Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java slippers" » "using data java slippers", "using java java slippery", "using java java grippers"
"dao minh java snippets" » "dao trinh java snippets", "dao minh va snippets", "cao minh java snippets", "van minh java snippets", "duc minh java 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: (((("using java java slippers") or ("dao minh java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java slippers") OR ("dao minh java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java java slippers ) or ( dao minh java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java slippers") or ("dao minh java snippets"))) or ("locating bugs code snippets"))*.