Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
tong cong » trong cong, cong cong, dung cong
bang cong » dang cong, bang song, hang cong
manh toan » thanh toan, anh tuan, tinh toan
hoc dieu » hoc thieu, hoc hien
van tuan » van quan, van ban, anh tuan

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

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