Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
duong manh » duong van
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
dung manh » dung danh, hung manh, tung manh
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: theo tieu xanh - hanh trinh cua nhung ((dung manh) or (duong manh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh trinh cua nhung ((dung manh) OR (duong manh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trinh cua nhung ((dung manh) or (duong manh)) toan tap*.