Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chong phap » phuong phap
chong tham » hong tham, cong thai, hong thai
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
hoc hieu » hoc thieu, hoc hien, doc hieu
van ca » van cau, van cua, dan ca

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 - hanh trinh cua nhung ((chong phap) or (chong tham)) van ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh trinh cua nhung ((chong phap) OR (chong tham)) van ca.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh trinh cua nhung ((chong phap) or (chong tham)) van ca*.