Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
manh trung » manh tung, thanh trung, manh hung
trung phan » trung thanh, trung ha, dung phan
hien xanh » hien hanh, chieu xanh, hien khanh
phan dung » phan ung, phan dang, chan dung
trong san » trong cac, cong san, dong san
than cau » phan cau, than cap, thanh chau
toan cau » 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: hoc ((hien xanh) or (hien nhanh)) - manh trung phan dung trong san ((than cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - manh trung phan dung trong san ((than cau) OR (toan cau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (hien nhanh)) - manh trung phan dung trong san ((than cau) OR (toan cau))*".