Perhaps you should try some spelling variations:
основеіа\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіа\" (Expand Search), основеа\" (Expand Search), основніа\" (Expand Search), основіеіа\" (Expand Search), основееіа\" (Expand Search)
основеі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеі\" (Expand Search), основееі\" (Expand Search)
основеіні\" » основіні\" (Expand Search), основені\" (Expand Search), основніні\" (Expand Search), основні\" (Expand Search), основіеіні\" (Expand Search), основееіні\" (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 ((основеіа\\" OR основеі\\") OR (основеі\\" OR основеіні\\"))) OR (\\"ґрунтова основ\\"))~\"".
• Removing quotes may allow a broader search: (( ґрунтова ((основеіа OR основеі ) OR (основеі OR основеіні ))) OR ( ґрунтова основ ))~.