Perhaps you should try some spelling variations:
wang shiyong » wang hyoung
main changes » main chance, main charge, main challenges
shiyong dan » zhiyong fan
main chang » main chance, main charge, chin chang
dan phan » van phan, dan pelan, dan pad
jin cong » jin song, jiu cong, minh cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang shiyong dan phan ((main chang) OR (main changes)) jin cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang shiyong dan phan ((main chang) OR (main changes)) jin cong shu ;".
• Adding a wildcard symbol may retrieve word variants: wang shiyong dan phan ((main chang) OR (main changes)) jin cong shu ;*.