Perhaps you should try some spelling variations:
health gaps » health gap, health goals, health gains
yan liang » yang liang, wang liang, you liang
run gain » run pain
yang jie » yang jin, yang di, yang jui
hong hai » shang hai, zhong tai, dang hai
man han » man can, man kann, man what
kann » ann
hat » what, heat

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

• Performing a fuzzy search may retrieve terms with similar spellings: kann ((man han) OR (man hat)) ((run gain) or (health gaps)) ((yan liang) or (yang jie)) hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: kann ((man han) OR (man hat)) ((run gain) OR (health gaps)) ((yan liang) OR (yang jie)) hong hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "kann ((man han) OR (man hat)) ((run gain) or (health gaps)) ((yan liang) or (yang jie)) hong hai ;".
• Adding a wildcard symbol may retrieve word variants: kann ((man han) OR (man hat)) ((run gain) or (health gaps)) ((yan liang) or (yang jie)) hong hai ;*.