Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
wei yang's » yiwei wang's
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: ((yang liang) or (yang guang)) ((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: ((yang liang) OR (yang guang)) ((tuan hua) OR (tan hua)) wei yang's ((di long) OR (i long)) d ;.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang guang)) ((tuan hua) or (tan hua)) wei yang's ((di long) or (i long)) d ;*.