Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
thong cong » trong cong, thong thong, phong chong
hieu manh » chieu xanh, hieu nganh, dieu hanh
manh hung » anh huong
tong cong » trong cong, cong cong, dung cong
hung cua » huong cua, chung cua, khung cua
tan ran » tan tran, tan van, tan san
ran cau » van cau, ban cau, can cau

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)) - manh hung cua ((thong cong) or (tong cong)) tan ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - manh hung cua ((thong cong) OR (tong cong)) tan ran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - manh hung cua ((thong cong) or (tong cong)) tan ran cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - manh hung cua ((thong cong) or (tong cong)) tan ran cau*.