Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"tran hung lam slippers" » "tran hong lam slippers", "tran quang lam slippers", "tran hoang lam slippers", "tran dung lam slippers", "tran hung dam slippers", "tran phuong lam slippers", "tran hung lam slippery", "tran hung lam 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 ("tran hung lam slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("tran hung lam slippers"))) OR ("locating bug code snippets")).
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