Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thong » cua thuong, cua khong, cua tong
mang cua » manh cua, dung cua, ban cua
cong dan » cong san, cong tan, huong dan
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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: theo tieu tinh - hanh mang cua thong cong dan ((toan tai) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh mang cua thong cong dan ((toan tai) or (toan ban))*.