Perhaps you should try some spelling variations:
ho chieu » theo chieu, hoc thieu, doi chieu
van hanh » van thanh, ban hanh, van anh
hanh cua » manh cua, hang cua, hanh sua
van cong » van dong, van phong, phan cong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban
cua van » cua ban, cua vat, cua dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi khi)) xanh - van hanh cua van cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi khi)) xanh - van hanh cua van cong san toan ban*.