Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"dung vinh trac slippers" » "dang vinh trac slippers", "dung ninh trac slippers", "quang vinh trac slippers", "dung sinh trac slippers", "dung vinh tran slippers", "dung anh trac slippers", "dung vinh trac slippery", "dung vinh trac grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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: (((("using java code snippets") or ("dung vinh trac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("dung vinh trac slippers"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung vinh trac slippers"))) or ("locating bug code snippets"))*.