Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
thanh toan » thanh hoa, thanh san, tinh toan
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
van nhung » van nhuong, va nhung, van hung
toan van » tran van, toan ban, tan van
cong san » cong tac
san khan » san khau, san khac, san phan
khan ap » khan cap, han ap, khan dam

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - thanh toan van nhung cong san khan ap~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - thanh toan van nhung cong san khan ap*.