Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"danh bat data slippers" » "doanh bat data slippers", "anh bai data slippers", "dinh ba data slippers", "danh fast data slippers", "danh bat dau slippers", "danh big data slippers", "danh bat data slippery", "danh bat data grippers"
"locating bug code snippets" » "locating bug core snippets", "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 java code snippets") or ("danh bat data slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("danh bat data slippers"))) OR ("locating bug code snippets")).
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