Perhaps you should try some spelling variations:
tang china » hang china, kong china, ming china
hong tang » hong tan, hong gang, hong wang
tang tang » taizong tang
china air » china asia, china a
wang wei » zhang wei, wang zhi
yang xi » yang di, yang jui
yang yi » yang di, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: hong tang tang china air ((yang xi) or (yang yi)) wang wei ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hong tang tang china air ((yang xi) OR (yang yi)) wang wei ;.
• Adding a wildcard symbol may retrieve word variants: hong tang tang china air ((yang xi) or (yang yi)) wang wei ;*.