Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
thien anh » thien danh, tien anh, thien thanh
cua nhung » va nhung
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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 ((chieu xanh) or (thien anh)) - ((hanh trinh) or (thanh trung)) cua nhung cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (thien anh)) - ((hanh trinh) OR (thanh trung)) cua nhung cong van toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (thien anh)) - ((hanh trinh) or (thanh trung)) cua nhung cong van toan cao*.