Perhaps you should try some spelling variations:
"using data code snippets" » "using java code snippets", "using sat code snippets", "missing data code snippets", "using rate code snippets", "using data code slippers"
"trac dung dat snippets" » "tac dung dat snippets", "tran dung dat snippets", "trai dung dat snippets", "trac dung va snippets", "trac dung tai snippets", "trac dung dat slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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