Perhaps you should try some spelling variations:
thang long » change long
long china » kong china, ming china, qing china
china how » china hong
wang hui » wang hua, wang zhi, wang wei
yang xi » yang di, yang yi, yang jui
tan li » tang li, tian li, gan li
gung » agung, guang, gang

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

• Performing a fuzzy search may retrieve terms with similar spellings: gung thang long china how ((tan li) or (yang xi)) ((tong hui) OR (wang hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: gung thang long china how ((tan li) OR (yang xi)) ((tong hui) OR (wang hui)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "gung thang long china how ((tan li) or (yang xi)) ((tong hui) OR (wang hui)) ;*".