Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
tung tuan » trung tuan, hung tuan, quang tuan
tran tuan » tran xuan, tran quang, tran thanh
dung cong » dung trong
ho trieu » mot trieu, 25 trieu, 30 trieu
khan cap » khan ap, khoan cam, phan cac
than cap » thanh lap, thanh cac, than cua

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 ((tung tuan) or (tran tuan)) dung cong thanh ((khan cap) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - thanh ((tung tuan) OR (tran tuan)) dung cong thanh ((khan cap) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho trieu tinh - thanh ((tung tuan) or (tran tuan)) dung cong thanh ((khan cap) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - thanh ((tung tuan) or (tran tuan)) dung cong thanh ((khan cap) OR (than cap))*.