Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
doi chieu » doc hieu, doi chi, ho chieu
canh manh » lanh manh, canh tranh, cach mang
doan phan » doanh phan, toan phan, doanh nhan
manh cua » doanh cua, ban cua
van cong » van dong, van phong, phan cong
dan phan » dan chan, van phan, dam phan
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: ((theo chieu) or (doi chieu)) xanh - canh manh cua van cong ((doan phan) OR (dan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) xanh - canh manh cua van cong ((doan phan) OR (dan phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chieu)) xanh - canh manh cua van cong ((doan phan) OR (dan phan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) xanh - canh manh cua van cong ((doan phan) OR (dan phan)) cau*.