Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
ho trieu » mot trieu, 25 trieu, 30 trieu
ban toan » bai toan, ban than, van toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho trieu tinh - thanh trung tuan ((nhung cong) OR (dung cong)) ban toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho trieu tinh - thanh trung tuan ((nhung cong) OR (dung cong)) ban toan cau".
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - thanh trung tuan ((nhung cong) OR (dung cong)) ban toan cau*.