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

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 tan 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 tan ca hang ((cong tap) OR (luong tap)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - hung tan ca hang ((cong tap) or (luong tap)) toan cau*.