Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap

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) or (theo chu)) xanh - ((hanh trang) or (hanh trinh)) cua nhung cong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (theo chu)) xanh - ((hanh trang) OR (hanh trinh)) cua nhung cong van toan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (theo chu)) xanh - ((hanh trang) or (hanh trinh)) cua nhung cong van toan cau*.