Perhaps you should try some spelling variations:
trang nguoi » tang nguoi, thang nguoi, thanh nguoi
chinh xuan » chinh luan, chinh ngan, dinh xuan
xuan trang » xuan trung, xuan truong, quan trong
nguoi manh » nguoi lanh, nguoi anh, nguoi thanh
hieu lang » chieu sang, hieu quang, nhieu tang
hop hieu » hop nhieu, hoi hieu, hoc thieu
toan cau » toan ban, toan tap, toan tai
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: hop hieu lang - hanh chinh xuan trang nguoi manh ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hop hieu lang - hanh chinh xuan trang nguoi manh ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hop hieu lang - hanh chinh xuan trang nguoi manh ((toan cau) or (toan cao))*.