Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh hang » thanh hang, hang hang, hanh han
hai thong » hai thuong, hai phong, hai trong
thong tap » thong cap, tong tap, thong tai
hang hai » hoang hai, hang tai, thanh hai
tap doan » tap quan
doan cau » toan cau, doan dau, doan cap

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 - hanh hang hai thong thong tap doan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh hang hai thong thong tap doan cau*.