Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, chuong dong
cua thuong » cua truong, cua phuong, ca thuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
dong van » duong van, dang van, dong von
van than » van thanh, van thang, van tuan
than cao » toan cao, thai cao, than cap

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 manh) OR (chinh sach)) - anh tang cua thuong dong van than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) OR (chinh sach)) - anh tang cua thuong dong van than cao".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) OR (chinh sach)) - anh tang cua thuong dong van than cao*.