Perhaps you should try some spelling variations:
основеа\" » основе\" (Expand Search), основіеа\" (Expand Search), основееа\" (Expand Search)
основеі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеі\" (Expand Search), основееі\" (Expand Search)
основені\" » основні\" (Expand Search), основі\" (Expand Search), основе\" (Expand Search), основіені\" (Expand Search), основеені\" (Expand Search)
основеніа\" » основніа\" (Expand Search), основіа\" (Expand Search), основеа\" (Expand Search), основні\" (Expand Search), основіеніа\" (Expand Search), основееніа\" (Expand Search)
основ\" » основі\" (Expand Search), основе\" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((\\"ґрунтова ((основеа\\" OR основеі\\") OR (основені\\" OR основеніа\\"))) OR (\\"ґрунтова основ\\"))~\"".
• Removing quotes may allow a broader search: (( ґрунтова ((основеа OR основеі ) OR (основені OR основеніа ))) OR ( ґрунтова основ ))~.