Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang hang » nang hang, cang thang, hung thang
hang cong » dang cong, hang nong, bang cong
bang song » nang song
hoc hieu » hoc thieu, hoc hien, doc hieu
hanh han » hanh nhan, hanh phan, hanh san
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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 han) or (hang hang)) cua ((hang cong) or (bang song)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((hanh han) OR (hang hang)) cua ((hang cong) OR (bang song)) dan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((hanh han) or (hang hang)) cua ((hang cong) or (bang song)) dan phan cau*.