Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
chat nhung » thuat nhung, cua nhung, tham nhung
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu xanh - hanh trinh ((chat nhung) OR (chat ngung)) cong tac toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh trinh ((chat nhung) OR (chat ngung)) cong tac toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh trinh ((chat nhung) OR (chat ngung)) cong tac toan cao*.