Perhaps you should try some spelling variations:
"using rate code snippets" » "using waste code snippets", "using data code snippets", "using raw code snippets", "using rate core snippets", "using rate code slippers"
"dung qua trinh snippets" » "dung qua kinh snippets", "duong qua trinh snippets", "dung quan trinh snippets", "dung cua trinh snippets", "dung qua trinh 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 rate code snippets") or ("dung qua trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using rate code snippets") OR ("dung qua trinh snippets"))) OR ("locating bug code snippets")).
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