Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"quang toan dam snippets" » "quang tuan dam snippets", "quang tran dam snippets", "quang doan dam snippets", "quang toan ban snippets", "quang toan tap snippets", "quang toan cao snippets", "quang toan dam slippers"
"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 ("quang toan dam snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("quang toan dam snippets"))) OR ("locating bug code snippets")).
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