Perhaps you should try some spelling variations:
pioneer days » pioneering days, pioneer years, longer days
china law » china laws
tong shui » tong hui, cong shu
chia lan » china land, chia wen, chun lan
yang jin » yang jie, yang jun, ying jin
gong hui » tong hui, wang hui, gong si
days a » days _

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: pioneer days a ((chia lan) OR (china law)) ((yang di) OR (yang jin)) ((tong shui) OR (gong hui)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "pioneer days a ((chia lan) OR (china law)) ((yang di) or (yang jin)) ((tong shui) or (gong hui)) ;~".
• Adding a wildcard symbol may retrieve word variants: pioneer days a ((chia lan) OR (china law)) ((yang di) or (yang jin)) ((tong shui) or (gong hui)) ;*.