Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
thong cong » trong cong, tong cong, thong thong
toan khoan » toan khoa, toan phan, toan hoat
tuong cua » truong cua, huong cua, thong cua
cua thong » cua thuong, cua khong, cua tong
cong toan » cong tan, cong hoan, cong tuan
khoan cap » khoan cam, khan cap, khoa cap
doi dien » duoc dien, dong dien, co dien
dien dan » hien dai, vien dai, gian dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi dien dan - thanh tuong cua thong cong toan khoan cap~.
• Adding a wildcard symbol may retrieve word variants: doi dien dan - thanh tuong cua thong cong toan khoan cap*.