Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"doi cong va snippets" » "doi song va snippets", "noi cong va snippets", "moi cong va snippets", "doi dong va snippets", "doi cong ha snippets", "doi cong tac snippets", "doi cong va slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("doi cong va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi cong va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi cong va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cong va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.