Perhaps you should try some spelling variations:
thuat nhung » thuat hung, thuat chung, thuat chuong
thieu xanh » chieu xanh, thien anh, thien danh
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
tuan hung » tran hung, luan hung, tuan dung
cong toan » cong tan, cong hoan, cong tuan
toan van » tran van, toan ban, tan van

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)) - thanh tung ((thuat nhung) or (tuan hung)) cong toan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh tung ((thuat nhung) OR (tuan hung)) cong toan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - thanh tung ((thuat nhung) or (tuan hung)) cong toan van ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - thanh tung ((thuat nhung) or (tuan hung)) cong toan van ban*.