Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
thong cong » trong cong, tong cong, thong thong
manh hung » anh huong
cap thong » cap tong, chap thuong, phap thong
hung cap » cung cap, hung ca, trung cap
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) or (thien danh)) - manh hung cap thong cong tap toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (thien danh)) - manh hung cap thong cong tap toan cao.
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) or (thien danh)) - manh hung cap thong cong tap toan cao*.