Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets"
"dung anh trac slippers" » "dung danh trac slippers", "duong anh trac slippers", "dong anh trac slippers", "dung sinh trac slippers", "dung anh tuan slippers", "dung anh thuc slippers", "dung anh trac slippery", "dung anh trac grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung anh trac slippers") or ("data using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung anh trac slippers") OR ("data using java snippets"))) OR ("locating bug code snippets")).
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