Perhaps you should try some spelling variations:
yan chia » can china, dan china, han china
tan chia » tuan china, than china, can china
tan yong » tan hong, tan kong, tan yang
yong lin » yang lin, song lina, yong kim
zong hai » dang hai, long han
hong hai » shang hai, zhong tai, dang hai
zong he » zheng he
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ((yan chia) or (tan chia)) tan yong lin ((((zong hai) OR (zong he))) or (hong hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yan chia) OR (tan chia)) tan yong lin ((((zong hai) OR (zong he))) OR (hong hai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((yan chia) or (tan chia)) tan yong lin ((((zong hai) OR (zong he))) or (hong hai)) ;*".