Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hieu nganh » vien nganh, hiem ngan, hieu manh
thong cong » trong cong, tong cong, thong thong
hanh san » thanh san, khach san, thanh son
cong san » cong tac
san than » sang than, san thanh, ban than
than tap » toan tap, han tap, phan tap
san he » dan he, san ha, san ho

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 nganh)) - hanh san he thong cong san than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu nganh)) - hanh san he thong cong san than tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu nganh)) - hanh san he thong cong san than tap*.