Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, truong thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
tran tuan » tran xuan, tran quang, tran thanh
hang cong » dang cong, hang nong, bang cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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 sang - hanh ((tran tuan) or (trung tuan)) hang cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sang - hanh ((tran tuan) OR (trung tuan)) hang cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - hanh ((tran tuan) or (trung tuan)) hang cong tac toan cau*.