Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"toan nhung cau snippets" » "toan chung cau snippets", "toan khung cau snippets", "doanh nhung cau snippets", "toan chung cu snippets", "toan nhung bai snippets", "toan nhu cau snippets"
"locating bug core snippets" » "locating bug 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 ("toan nhung cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("toan nhung cau snippets"))) OR ("locating bug core snippets")).
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