Perhaps you should try some spelling variations:
teaching resource » teaching resources, teaching research, learning resource
examining refugee » determining refugee
training refugee » tracing refugee, determining refugee, organizing refugee
resource series » resources series, resource theories, resource studies
re teaching » we teaching, race teaching, obe teaching

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( re teaching resource series. ) OR ( re ((training refugee) OR (examining refugee)) students. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( re teaching resource series. ) or ( re ((training refugee) OR (examining refugee)) students. ))~".
• Adding a wildcard symbol may retrieve word variants: (( re teaching resource series. ) or ( re ((training refugee) OR (examining refugee)) students. ))*.