Perhaps you should try some spelling variations:
phuong tuong » phong tuong, phuong duong, phuong luong
chieu xanh » chieu sach, chieu sang, chieu tinh
cua phuong » cuu phuong, cuc phuong, luan phuong
hieu manh » hieu nganh, dieu hanh, hien hanh
hanh hang » thanh hang, hanh han, hanh mang
hang hang » nang hang, cang thang, hung thang
tuong tap » tuong tac, tong tap, cuong tap
tap toan » tap doan, tap quan, bai toan
toan tap » toan 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 ((hieu manh) or (chieu xanh)) - ((hanh hang) or (hang hang)) cua phuong tuong tap toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu xanh)) - ((hanh hang) OR (hang hang)) cua phuong tuong tap toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu xanh)) - ((hanh hang) or (hang hang)) cua phuong tuong tap toan tap*.