Perhaps you should try some spelling variations:
lanh manh » lanh tranh, lan anh, van manh
ho chieu » theo chieu, hoc thieu, doi chieu
manh cua » doanh cua, ban cua
ban cong » bang cong, van cong, phan cong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban
doi chi » doi khi

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 chi)) xanh - lanh manh cua ban cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) xanh - lanh manh cua ban cong san toan ban*.