Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh trinh » canh tranh, hanh chinh
hien manh » hien hanh, tien manh, hien nhanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh mat » trinh vat, trinh may, trinh mau
mat thong » suat thong, xuat thong, mang thong
cong manh » cong danh, duong manh, cong thanh
manh tuan » anh tuan, manh toan, minh tuan
tuan cu » tuan tu, quan cua, tuan thu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien manh) OR (hieu manh)) - hanh trinh mat thong cong manh tuan cu~.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien manh) or (hieu manh)) - hanh trinh mat thong cong manh tuan cu*.