Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, trinh han, trinh quan
thanh toan » thanh hoa, thanh san, tinh toan
chinh cua » chinh ca, chinh sua, hinh cua
cua nhung » va nhung
ho chieu » hoc thieu, doi chieu, mot chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (ho chieu)) xanh - hanh chinh cua nhung cong ((trinh toan) OR (thanh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - hanh chinh cua nhung cong ((trinh toan) OR (thanh toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) xanh - hanh chinh cua nhung cong ((trinh toan) OR (thanh toan)) ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) xanh - hanh chinh cua nhung cong ((trinh toan) OR (thanh toan)) ban*.