Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong dan » cong san, cong tan, huong dan
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (hoc hien)) xanh - hanh mang cua nhung cong dan ((than cao) OR (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (hoc hien)) xanh - hanh mang cua nhung cong dan ((than cao) OR (thai cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tieu) or (hoc hien)) xanh - hanh mang cua nhung cong dan ((than cao) OR (thai cao))".
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (hoc hien)) xanh - hanh mang cua nhung cong dan ((than cao) OR (thai cao))*.