Perhaps you should try some spelling variations:
athletic » athletes (Expand Search)
athlete » athletes (Expand Search)
trainer" » trainers" (Expand Search), trained" (Expand Search), rainer" (Expand Search), strainer" (Expand Search), brainer" (Expand Search)
trains" » traits" (Expand Search), grains" (Expand Search), brains" (Expand Search), strains" (Expand Search)
strains" » straits" (Expand Search), sgrains" (Expand Search), sbrains" (Expand Search), strain" (Expand Search), sstrains" (Expand Search)
train" » strain" (Expand Search), brain" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: "(athletic OR athlete) (trainer" OR ((trains" OR strains") OR train"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"(athletic OR athlete) (trainer\" OR ((trains\" OR strains\") OR train\"))*".
• Removing quotes may allow a broader search: (athletic OR athlete) (trainer OR ((trains OR strains ) OR train ))*.