Perhaps you should try some spelling variations:
thanh tung » thanh cong
khong dong » khong dung, khong mong, phong dong
dong thanh » truong thanh
cua khong » hua khong, cua phuong, cua thuong
tung cua » trung cua, tuong cua, dung cua
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac
ho lieu » so lieu, co lieu, ho kieu
so kieu » so dieu, so lieu, ho kieu

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