Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"trinh toan mat slippers" » "tinh toan mat slippers", "thanh toan mat slippers", "trinh han mat slippers", "trinh toan may slippers", "trinh toan hoat slippers", "trinh toan luat slippers", "trinh toan mat slippery", "trinh toan mat 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 ("trinh toan mat slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("trinh toan mat slippers"))) OR ("locating bug code snippets")).
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