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