Perhaps you should try some spelling variations:
trung tuong » trung uong, trung trong, trung duong
trong tuong » trong thuong, trong luong, tuong tuong
chieu xanh » chieu sach, chieu sang, chieu tinh
duong cong » dung cong, luong cong, duong trong
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
ho chieu » theo chieu, hoc thieu, doi chieu
toan tap » toan ban

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 - thanh ((trung tuong) or (trong tuong)) duong cong vinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung tuong) OR (trong tuong)) duong cong vinh toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung tuong) or (trong tuong)) duong cong vinh toan tap*.