Perhaps you should try some spelling variations:
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
trinh han » trinh quan
tung cua » trung cua, tuong cua, dung cua
so kieu » so dieu, ho kieu, noi kieu
so lieu » so dieu
han tai » hang tai, nhan tai, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so kieu) or (so lieu)) tinh - thanh tung cua thong cong trinh han tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so kieu) OR (so lieu)) tinh - thanh tung cua thong cong trinh han tai.
• Adding a wildcard symbol may retrieve word variants: ((so kieu) or (so lieu)) tinh - thanh tung cua thong cong trinh han tai*.