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