Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"dung san tinh slippers" » "dong san tinh slippers", "dung sai tinh slippers", "dung luan tinh slippers", "dung ban tinh slippers", "dung man tinh slippers", "dung son tinh slippers", "dung san tinh slippery", "dung san tinh 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 ("dung san tinh 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 san tinh slippers"))) OR ("locating bug code snippets")).
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