Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong san » cong tac
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - hanh mang cua nhung cong san ((((toan tai) OR (toan tap))) OR (van ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - hanh mang cua nhung cong san ((((toan tai) OR (toan tap))) or (van ban))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh mang cua nhung cong san ((((toan tai) OR (toan tap))) or (van ban))*.