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