Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"thanh toan het snippets" » "thanh hoa het snippets", "thanh san het snippets", "tinh toan het snippets", "thanh toan he snippets", "thanh toan ket snippets", "thanh toan thiet snippets", "thanh toan het 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 ("thanh toan het snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("thanh toan het snippets"))) OR ("locating bug code snippets")).
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