Perhaps you should try some spelling variations:
truong long » trong long, truong cong, truong dong
hanh trang » thanh trung, canh tranh, hanh trinh
trung long » trung uong, trong long, trung dong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
trang cua » tranh cua, tang cua, trung cua
toan ban » van ban

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) OR (hien hanh)) - hanh trang cua ((truong long) or (trung long)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh trang cua ((truong long) OR (trung long)) tinh toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien hanh)) - hanh trang cua ((truong long) or (trung long)) tinh toan ban*".