Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tran thanh » ban thanh, van thanh, quan thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
tran tuan » tran xuan, tran quang, tranh luan
dung cong » dung trong
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
ran cau » van cau, ban cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - thanh ((tran tuan) or (tran thanh)) dung cong tac ((toan cau) or (ran cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh ((tran tuan) OR (tran thanh)) dung cong tac ((toan cau) OR (ran cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh ((tran tuan) or (tran thanh)) dung cong tac ((toan cau) or (ran cau))*.