Perhaps you should try some spelling variations:
china changqi » china chang, china shanghai, chin chang
yan yanling » wang yanling, yan jianping
lai chung » wai chung
bai chong » wai chung, kai hong
hai phong » kai hong
qian yan » qian jun, qian yi
i china » ii china, 2 china, 4 china

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: qian yan yanling i china changqi ((lai chung) OR (((bai chong) OR (hai phong)))) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian yan yanling i china changqi ((lai chung) or (((bai chong) OR (hai phong)))) shu ;~".
• Adding a wildcard symbol may retrieve word variants: qian yan yanling i china changqi ((lai chung) or (((bai chong) OR (hai phong)))) shu ;*.