Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
guan chia » tan chia
lang yan » wang yan, wang yang, zhang yan
tan yang » dan yang, tan ying, tan yong
zong hai » hong hai, dang hai, long han
yang li » yang lin, yang di, yang xi
haul » hall, paul, hail

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: lang yan ((guan chia) OR (tuan china)) tan yang li ((zong hai) OR (long haul)) ;~.
• Adding a wildcard symbol may retrieve word variants: lang yan ((guan chia) or (tuan china)) tan yang li ((zong hai) or (long haul)) ;*.