Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu, ho chieu
hanh mang » nhanh mang, hanh trang, nhanh lang
nhan dang » nhan dan, phan dang, tran dang
cua nhung » va nhung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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 (mot chieu)) xanh - ((hanh mang) or (nhan dang)) cua nhung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (mot chieu)) xanh - ((hanh mang) OR (nhan dang)) cua nhung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (mot chieu)) xanh - ((hanh mang) or (nhan dang)) cua nhung cong tac toan ban*.