Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
trinh toan » thanh toan, trinh han, trinh hoa
ho chieu » theo chieu, hoc thieu, doi chieu
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (ho chieu)) xanh - hanh trinh quan nhung cong ((trinh toan) OR (tinh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chi) or (ho chieu)) xanh - hanh trinh quan nhung cong ((trinh toan) OR (tinh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (ho chieu)) xanh - hanh trinh quan nhung cong ((trinh toan) OR (tinh toan)) cau*.