Perhaps you should try some spelling variations:
nhanh dinh » nhanh tinh, hanh dinh, nhan dinh
cong thanh » dong thanh, cong trinh, cong tan
bien tinh » bi tinh, diep tinh, ban tinh
tong cong » trong cong, cong cong, dung cong
yen tinh » tuyen tinh
dinh cuu » dinh chi
cuu tong » cuu cong, cuu tinh, huu tung
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((bien tinh) or (yen tinh)) - nhanh dinh cuu tong cong thanh ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((bien tinh) OR (yen tinh)) - nhanh dinh cuu tong cong thanh ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi ((bien tinh) or (yen tinh)) - nhanh dinh cuu tong cong thanh ((toan tai) or (toan tap))*.