Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu xanh » hieu manh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
tong cong » trong cong, cong cong, dung cong
cong dang » cong dong, cong dan, cong dung
dang hanh » dang thanh, ban hanh, dang van
cua tong » cua cong, cua dong, cua nong
hanh ca » hanh cac, hanh cat, hanh cua

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) OR (chieu tinh)))) - hanh tranh cua tong cong dang hanh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (((chieu xanh) OR (chieu tinh)))) - hanh tranh cua tong cong dang hanh ca*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (((chieu xanh) OR (chieu tinh)))) - hanh tranh cua tong cong dang hanh ca*".