Perhaps you should try some spelling variations:
основеі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеі\" (Expand Search), основееі\" (Expand Search)
основіеі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основііеі\" (Expand Search), основеіеі\" (Expand Search)
основіеіа\" » основіа\" (Expand Search), основеа\" (Expand Search), основніа\" (Expand Search), основііеіа\" (Expand Search), основеіеіа\" (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 основіеі\\") OR (основіеіа\\" OR основеа\\"))) OR (\\"ґрунтова основ\\"))~\"".
• Removing quotes may allow a broader search: (( ґрунтова ((основеі OR основіеі ) OR (основіеіа OR основеа ))) OR ( ґрунтова основ ))~.