Perhaps you should try some spelling variations:
основее\" » основе\" (Expand Search), основные\" (Expand Search), основіее\" (Expand Search), основеее\" (Expand Search)
основніе\" » основні\" (Expand Search), основные\" (Expand Search), основі\" (Expand Search), основініе\" (Expand Search), основеніе\" (Expand Search)
основеі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеі\" (Expand Search), основееі\" (Expand Search)
основныеі\" » основные\" (Expand Search), основні\" (Expand Search), основіныеі\" (Expand Search), основеныеі\" (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 ((основее\\" OR основніе\\") OR (основеі\\" OR основныеі\\"))) OR (\\"ґрунтова основ\\"))~\"".
• Removing quotes may allow a broader search: (( ґрунтова ((основее OR основніе ) OR (основеі OR основныеі ))) OR ( ґрунтова основ ))~.