Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
tung cua » trung cua, tuong cua, dung cua
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tap
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: theo ((hieu nganh) or (chieu xanh)) - thanh tung cua thong cong dan ((toan cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu nganh) OR (chieu xanh)) - thanh tung cua thong cong dan ((toan cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: theo ((hieu nganh) or (chieu xanh)) - thanh tung cua thong cong dan ((toan cau) or (than cap))*.