Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
cua truong » xuan truong, cac truong, nha truong
xa truong » cac truong
cua trung » xuan trung, cua nhung, ba trung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran tap » toan tap, tran tan, tran tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - hanh tranh ((((cua truong) OR (xa truong))) or (cua trung)) cong tac tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh tranh ((((cua truong) OR (xa truong))) OR (cua trung)) cong tac tran tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh tranh ((((cua truong) OR (xa truong))) or (cua trung)) cong tac tran tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tranh ((((cua truong) OR (xa truong))) or (cua trung)) cong tac tran tap*.