Perhaps you should try some spelling variations:
"learning hoi trac snippets" » "learning from trac snippets", "learning _ trac snippets", "learning a trac snippets", "learning hoi trach snippets", "learning hoi tran snippets", "learning hoi tac snippets", "learning hoi trac slippers"
"creating _ a snippets" » "creating _ a slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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