Perhaps you should try some spelling variations:
thanh trung » thanh tung
dung cong » dung trong
trung ha » trung hoc, trung tam, trung cap
dan thai » dang thai, dan thi, ban thai
dan than » dan chan, ban than, van than
ho lieu » co lieu, ho kieu, ho chieu
so lieu » so dieu
ha dung » hai dung, kha dung, nha dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho lieu) or (so lieu)) tinh - thanh trung ha dung cong ((dan thai) OR (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (so lieu)) tinh - thanh trung ha dung cong ((dan thai) OR (dan than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho lieu) or (so lieu)) tinh - thanh trung ha dung cong ((dan thai) OR (dan than)) cao".
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) or (so lieu)) tinh - thanh trung ha dung cong ((dan thai) OR (dan than)) cao*.