Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"cuon dang deo snippets" » "cuon danh deo snippets", "cuong dung deo snippets", "cuong danh deo snippets", "cuon dang do snippets", "cuon dang de snippets", "cuon dang dieu snippets"
"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 ("cuon dang deo snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("cuon dang deo snippets"))) OR ("locating bug code snippets")).
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