Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » theo tieu, ho chieu, theo chu
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
manh cua » doanh cua, ban cua
van toan » van tuan, van tan, van thanh

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 (hoc hien)) xanh - lanh manh cua nhung cong ((manh toan) or (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc hien)) xanh - lanh manh cua nhung cong ((manh toan) OR (van toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc hien)) xanh - lanh manh cua nhung cong ((manh toan) or (van toan)) cau*.