Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua khong, cua tong
cuong tap » luong tap, cong tac, luong tai
cua nong » cua cong, cuu nong, cua dong
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 thieu xanh - hanh trinh ((cua thong) or (cua nong)) cuong tap doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh ((cua thong) OR (cua nong)) cuong tap doan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((cua thong) or (cua nong)) cuong tap doan cau*.