Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
sang minh » kang minah, anh minh, song min
chang mae » chang ha, changes made
tan sang » tan yang, tang tang, tan hong
hong hai » shang hai, zhong tai, dang hai
yang ka » yang fan, yang yao
tan tan » tas tan, tin tan, tang tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong yang ka tan tan sang minh ((hong hai) OR (chang mae)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang ka tan tan sang minh ((hong hai) OR (chang mae)) ;*".