Perhaps you should try some spelling variations:
yuhan chang » yuan chang, han chang, yuhuan huang
wang yuhan » wang luhang, wang yan, wang yidan
yang liang » wang liang, yan liang, yang yang
long thanh » luong thanh, long han, long trinh
yang li » yang lin, yang xi, yang yi
c main » 1 main, 3 main, 4 main
2 main » 1 main

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuhan chang ((c main) OR (2 main)) ((((yang liang) OR (yang li))) OR (yang di)) long thanh ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuhan chang ((c main) OR (2 main)) ((((yang liang) OR (yang li))) OR (yang di)) long thanh ;".
• Adding a wildcard symbol may retrieve word variants: wang yuhan chang ((c main) OR (2 main)) ((((yang liang) OR (yang li))) OR (yang di)) long thanh ;*.