Perhaps you should try some spelling variations:
making forming » making during, making foreign, making formal
rules making » rule making, does making
forming cost » firing cost, forming 21st, roaming costs
dong nan » dong yang, dong sin, dong cao
dong bin » dong sin, dong di
cost shu » host shut
a rules » a rule
ya a » a a, y a, ye a

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: ((dong nan) OR (((dann bin) OR (dong bin)))) ya a rules making forming cost shu ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong nan) or (((dann bin) or (dong bin)))) ya a rules making forming cost shu ;*.