Perhaps you should try some spelling variations:
основеі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеі\" (Expand Search), основееі\" (Expand Search)
основеіа\" » основіа\" (Expand Search), основеа\" (Expand Search), основніа\" (Expand Search), основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеіа\" (Expand Search), основееіа\" (Expand Search)
основеніа\" » основні\" (Expand Search), основіеніа\" (Expand Search), основееніа\" (Expand Search)
основеа\" » основе\" (Expand Search), основіеа\" (Expand Search), основееа\" (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 (основеі\\" OR ((основеіа\\" OR основеніа\\") OR основеа\\"))) OR (\\"ґрунтова основ\\"))~\"".
• Removing quotes may allow a broader search: (( ґрунтова (основеі OR ((основеіа OR основеніа ) OR основеа ))) OR ( ґрунтова основ ))~.