Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
hanh tranh » canh tranh, hanh trinh, hanh trang
cua truong » cua trung, xuan truong, cac truong
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » doanh cua, manh cua
tac toan » tam toan, hach toan, tich toan
tap toan » tap doan, tap quan, bai toan

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 xanh - hanh tranh cua truong cong ((tac toan) OR (tap toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh tranh cua truong cong ((tac toan) OR (tap toan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh tranh cua truong cong ((tac toan) OR (tap toan)) cau*.