Копирайте долния код и го поставете на вашата страница:

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    <input type="hidden" name="cx" value="000004430136692554707:vmypqpenr00" />
    <input type="hidden" name="cof" value="FORID:1" />
    <input name="q" type="text" size="40" />
    <input type="submit" name="sa" value="Търси" />
    <img src="http://www.google.com/coop/images/google_custom_search_smnar.gif" alt="Google Custom Search">
  </form>
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