Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh thai » trang thai, tran thi, tinh thai
thai vung » thai cong, thai van
vung cong » dung cong, vung dong, vung song
tich toan » tinh toan, tich than, trinh toan
hach toan » thanh toan, manh toan
ho chieu » theo chieu, hoc thieu, doi chieu

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 - canh tranh thai vung cong ((tich toan) or (hach toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh tranh thai vung cong ((tich toan) OR (hach toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tranh thai vung cong ((tich toan) or (hach toan)) cau*.