Perhaps you should try some spelling variations:
long chain » long chemin, long grain, long han
china tan » china top, china two, china taiwan
shang hai » shang kai, dang hai, chang ha
wang nan » wang yan, wang ban, wang dan
tan yang » dan yang, tan ying, tan yong
yang lin » yang jin, wang lin, yang li
nan can » man can, nan yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang nan can china tan yang lin ((long chain) or (shang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang nan can china tan yang lin ((long chain) OR (shang hai)) ;*.