Perhaps you should try some spelling variations:
trinh thuat » trinh thiet, trinh thuc, trinh chat
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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: ho chieu xanh - hanh ((trinh thuat) OR (trinh luat)) nhung cong van toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((trinh thuat) OR (trinh luat)) nhung cong van toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((trinh thuat) OR (trinh luat)) nhung cong van toan cau*.