Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chat thuong » chan thuong, chap thuong, chat huong
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
cong tap » cuong tap, cong tac, cong tan
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) or (thien anh)) - nhanh tinh chat thuong cong tap doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - nhanh tinh chat thuong cong tap doan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - nhanh tinh chat thuong cong tap doan cau*.