Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » canh tranh, minh trang, tinh trang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: theo chieu xanh - ((((hanh trang) OR (hanh trinh))) or (thanh trung)) cua nhung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((((hanh trang) OR (hanh trinh))) OR (thanh trung)) cua nhung cong tac toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((((hanh trang) OR (hanh trinh))) or (thanh trung)) cua nhung cong tac toan cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((((hanh trang) OR (hanh trinh))) or (thanh trung)) cua nhung cong tac toan cao*.