Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
hua gain » run gain, hua ban, via gain
yang lin » wang lin, yang li, yang liang
yang jin » yang jie, yang jun, ying jin
zong hai » hong hai, dang hai, long han
man can » man han, woman can, man kann
kann » ann

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 can ((hua gain) OR (heat gain)) ((yang lin) OR (yang jin)) zong hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "kann man can ((hua gain) OR (heat gain)) ((yang lin) OR (yang jin)) zong hai ;".
• Adding a wildcard symbol may retrieve word variants: kann man can ((hua gain) OR (heat gain)) ((yang lin) OR (yang jin)) zong hai ;*.