Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh nhan » trinh han, trinh phan, trinh nha
hien xanh » hien hanh, hien nhanh, chieu xanh
nhan tong » nhan trong, nhan thong, nhan tuong
tong cong » trong cong, cong cong, dung cong
cong tinh » cong trinh, cong vinh, long tinh
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh trinh nhan tong cong tinh toan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh nhan tong cong tinh toan cau*.