Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"dao minh java slippers" » "dao trinh java slippers", "dao minh va slippers", "cao minh java slippers", "van minh java slippers", "duc minh java slippers", "dao minh java slippery", "dao minh 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: (((("dao minh 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: (((("dao minh java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao minh java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao minh java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.