Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
ho chieu » theo chieu, hoc thieu, doi chieu
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai 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 ((truong cua) OR (truong cao)) truong cong tap toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((truong cua) OR (truong cao)) truong cong tap toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((truong cua) OR (truong cao)) truong cong tap toan cao*.