Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
nhung cong » dung cong, thong cong, hang cong
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua nhung » va nhung
ho chieu » hoc thieu, doi chieu, mot chieu
cong van » cong vang, cong san, song van
van van » van ban, tan van, san van
van cau » van dau, van hau, van chat

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