Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hieu xanh » hieu manh, hieu nganh, dieu hanh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cuu thong » cuu thuong, cuu tong, cuu chong
dinh cuu » dinh chi
cong von » dong von, cong lon, cong hon
tai cao » thai cao, tao cao, tai sao

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 xanh) OR (chieu xanh)) - hanh dinh cuu thong cong von tai cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (chieu xanh)) - hanh dinh cuu thong cong von tai cao".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (chieu xanh)) - hanh dinh cuu thong cong von tai cao*.