Perhaps you should try some spelling variations:
new biomarkers » _ biomarkers, cancer biomarkers, based biomarkers
new markers » new market, new masters, new managers
new markets » new market
infantry » infant, infants, infancy
regiment » regimen, regimes, regime

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: 7th ((((new markers) OR (new biomarkers))) OR (new markets)) volunteer infantry regiment.
• The words AND, OR and NOT may confuse the search; try adding quotes: "7th ((((new markers) OR (new biomarkers))) or (new markets)) volunteer infantry regiment".
• Adding a wildcard symbol may retrieve word variants: 7th ((((new markers) OR (new biomarkers))) or (new markets)) volunteer infantry regiment*.