Perhaps you should try some spelling variations:
think tonga » think long
good think » good thing, good things
ming good » making good, doing good, bring good
yuan ming » yuan ting, kian ming, tuan minh
tonga eiu » kong eiu
wan yan » wang yan, nan yan, wai yan
dong di » dong sin
ya yuan » yan yuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wan yan) or (dong di)) ya yuan ming good think tonga eiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (dong di)) ya yuan ming good think tonga eiu ;*.