Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
truong cua » truong ca, truong quan, truong cao
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (theo tieu)) xanh - hanh truong cua thong cong dan ((phan cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (theo tieu)) xanh - hanh truong cua thong cong dan ((phan cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (theo tieu)) xanh - hanh truong cua thong cong dan ((phan cau) or (than cap))*.