Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"thu canh java slippers" » "thu canh va slippers", "thuc hanh java slippers", "thu cong java slippers", "thu ban java slippers", "thu canh java slippery", "thu canh 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: (((("thu canh 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: (((("thu canh java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu canh java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu canh java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.