Perhaps you should try some spelling variations:
nhanh thanh » phan thanh, nhanh tinh
chieu xanh » chieu sach, chieu sang, chieu tinh
anh thanh » danh thanh, thanh thanh, doanh thanh
tuan tong » thuan trong, toan thong, tuan duong
toan tong » toan thong, toan trong, toan cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - ((anh thanh) OR (nhanh thanh)) ((tuan tong) or (toan tong)) cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((anh thanh) OR (nhanh thanh)) ((tuan tong) OR (toan tong)) cong san van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((anh thanh) OR (nhanh thanh)) ((tuan tong) or (toan tong)) cong san van ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((anh thanh) OR (nhanh thanh)) ((tuan tong) or (toan tong)) cong san van ban*.