Perhaps you should try some spelling variations:
основеа\" » основе\" (Expand Search), основіеа\" (Expand Search), основееа\" (Expand Search)
основіеа\" » основі\" (Expand Search), основе\" (Expand Search), основііеа\" (Expand Search), основеіеа\" (Expand Search)
основеі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеі\" (Expand Search), основееі\" (Expand Search)
основеіеа\" » основіеа\" (Expand Search), основееа\" (Expand Search), основніеа\" (Expand Search), основіеіеа\" (Expand Search), основееіеа\" (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 ((основіеа\\" OR основеі\\") OR основеіеа\\"))) OR (\\"ґрунтова основ\\"))~\"".
• Removing quotes may allow a broader search: (( ґрунтова (основеа OR ((основіеа OR основеі ) OR основеіеа ))) OR ( ґрунтова основ ))~.