Perhaps you should try some spelling variations:
wang liang » wang yang
dia kongo » das kongo, dr kongo
kongo sar » kong sar
tan chia » tuan china, than china, can china
chia tan » chia lan, chen tan, chia wen
tan yang » dan yang, tan ying, tan yong
yang dia » yang di, yang dean, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang liang) or (wang yan)) tan chia tan yang dia kongo sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang liang) OR (wang yan)) tan chia tan yang dia kongo sar ;.
• Adding a wildcard symbol may retrieve word variants: ((wang liang) or (wang yan)) tan chia tan yang dia kongo sar ;*.