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
phan cong » thanh cong
san nhanh » san thanh, nhan nhanh, ban hanh
nhanh cau » nhanh cay, thanh chau, nhanh ha
manh cua » doanh cua, ban cua
ban cong » bang cong, van cong, ban huong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (theo chieu)) xanh - canh manh cua ((ban cong) OR (phan cong)) san nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo chieu)) xanh - canh manh cua ((ban cong) OR (phan cong)) san nhanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (theo chieu)) xanh - canh manh cua ((ban cong) OR (phan cong)) san nhanh cau".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo chieu)) xanh - canh manh cua ((ban cong) OR (phan cong)) san nhanh cau*.