Perhaps you should try some spelling variations:
how japan » how japan's, law japan, new japan
meng yang » wang yang, yang yang, dong yang
tong shui » cong shu, gong hui
tuan aid » can aid, tuan anh
how juan » don juan, roa juan, von juan
yang jin » yang jie, yang jun, ying jin
tong hui » wang hui

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tuan aid ((how juan) OR (how japan)) meng yang jin ((tong shui) OR (tong hui)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tuan aid ((how juan) OR (how japan)) meng yang jin ((tong shui) or (tong hui)) ;~".
• Adding a wildcard symbol may retrieve word variants: tuan aid ((how juan) OR (how japan)) meng yang jin ((tong shui) or (tong hui)) ;*.