Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"manh hoi trac snippets" » "manh hai trac snippets", "manh ho trac snippets", "manh hon trac snippets", "manh hoi trac slippers", "manh hoi trach snippets", "manh hoi tran snippets", "manh hoi tac snippets"
"locating bug code snippets" » "locating bug core 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 java code snippets") or ("manh hoi trac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("manh hoi trac snippets"))) OR ("locating bug code snippets")).
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