Perhaps you should try some spelling variations:
ying yang » yin yang, ying chang, wang yang
yang yang » wang yang, wang yan
dang haji » dang hai, dato haji
wei chen » wei shen, frei chen, jui chen
yang jie » yang jin, yang di, yang jui
yang yi » yang di, yang jui
yang xi » yang di, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ran ((ying yang) or (yang yang)) wei chen ((yang jie) or (((yang yi) OR (yang xi)))) dang haji ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ran ((ying yang) OR (yang yang)) wei chen ((yang jie) OR (((yang yi) OR (yang xi)))) dang haji ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ran ((ying yang) or (yang yang)) wei chen ((yang jie) or (((yang yi) OR (yang xi)))) dang haji ;".
• Adding a wildcard symbol may retrieve word variants: ran ((ying yang) or (yang yang)) wei chen ((yang jie) or (((yang yi) OR (yang xi)))) dang haji ;*.