Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hung tang » hung thang, hung tan, cung thang
luong tap » luong tai, cuong tap, luong tham
cong tap » cuong tap, cong tac, cong tan
toan cau » toan cao, toan ban, toan tap
tang ca » tang cua, hang ca, tang ma
ca hang » cua hang, ca chang, va hang

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 (hieu manh)) - hung tang ca hang ((cong tap) or (luong tap)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hung tang ca hang ((cong tap) OR (luong tap)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - hung tang ca hang ((cong tap) or (luong tap)) toan cau*.