Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh luan » trinh luat, trinh quan, trinh toan
nhung cong » dung cong, thong cong, hang cong
trinh han » trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: ho chieu xanh - hanh ((trinh luan) OR (trinh han)) nhung cong tac toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((trinh luan) OR (trinh han)) nhung cong tac toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((trinh luan) OR (trinh han)) nhung cong tac toan cao*.