Perhaps you should try some spelling variations:
longer days » long days, pioneer days
china wen » chia wen, ching wen, china women
china won » china women, china wang, china who
days can » stays can, days a, days ten
yang jun » yang jui, pang jun, yang jin
tong hui » wang hui
yang xi » yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: longer days can ((china wen) OR (china won)) ((((yang xi) or (yang di))) or (yang jun)) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: longer days can ((china wen) OR (china won)) ((((yang xi) OR (yang di))) OR (yang jun)) tong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "longer days can ((china wen) OR (china won)) ((((yang xi) or (yang di))) or (yang jun)) tong hui ;*".