Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
canh manh » lanh manh, canh tranh, cach mang
cua trung » cua truong, xuan trung, cua nhung
manh cua » doanh cua, ban cua
cong van » cong vang, cong san, song van
van van » van ban, tan van, san van
van cau » van dau, van hau, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (hien hanh)) - canh manh cua trung cong van van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - canh manh cua trung cong van van cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - canh manh cua trung cong van van cau*.