Perhaps you should try some spelling variations:
wei yang's » yiwei wang's
yan liang » yang liang, wang liang, you liang
yan guan » gan guan, yan yuan, yang guang
tuan hua » tuan vu, yuan hui
tan hua » wang hua, tan chia, tan puay
di long » de long, ii long, day long
i long » a long, 2 long, 3 long

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan liang) or (yan guan)) ((tuan hua) or (tan hua)) wei yang's ((di long) or (i long)) d ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yan guan)) ((tuan hua) OR (tan hua)) wei yang's ((di long) OR (i long)) d ;.
• Adding a wildcard symbol may retrieve word variants: ((yan liang) or (yan guan)) ((tuan hua) or (tan hua)) wei yang's ((di long) or (i long)) d ;*.