Perhaps you should try some spelling variations:
yang wang » yang yang, yan wang, yang guang
yan guan » gan guan, yan yuan, yang guang
pei yang » wei yang, pei yun, yi yang
hui yang » hui ying, du yang, h yang
tan hua » tuan hua, wang hua, tan chia
i long » a long, 3 long, i losung
2 long » a long, 3 long, 3.2 long

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang wang) or (yan guan)) tan hua ((pei yang) or (hui yang)) ((i long) OR (2 long)) d ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang wang) OR (yan guan)) tan hua ((pei yang) OR (hui yang)) ((i long) OR (2 long)) d ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang wang) or (yan guan)) tan hua ((pei yang) or (hui yang)) ((i long) OR (2 long)) d ;".
• Adding a wildcard symbol may retrieve word variants: ((yang wang) or (yan guan)) tan hua ((pei yang) or (hui yang)) ((i long) OR (2 long)) d ;*.