Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
hien hanh » dieu hanh
trinh nha » trinh phan, trinh chat, trinh chao
nha trong » nha truong, nhan trong, nhat trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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 hanh - canh trinh nha trong cong manh toan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - canh trinh nha trong cong manh toan ban*.