Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
han china » hang china, than china, can china
yi longer » _ longer, 2 longer, 3 longer
longer do » longer _, longer a, long do
hui yang » du yang, h yang, hui ping
hui ying » huei ying, hoi ying, hui ping

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (yang guang)) ((yuan fei) or (han china)) ((hui yang) OR (hui ying)) yi longer do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yang guang)) ((yuan fei) OR (han china)) ((hui yang) OR (hui ying)) yi longer do ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (yang guang)) ((yuan fei) or (han china)) ((hui yang) OR (hui ying)) yi longer do ;".
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (yang guang)) ((yuan fei) or (han china)) ((hui yang) OR (hui ying)) yi longer do ;*.