Perhaps you should try some spelling variations:
thong thuong » thong thong, hang thuong, cong thuong
luan thong » luan phong, luan tuong, luat thong
chieu xanh » chieu sach, chieu sang, chieu tinh
thuong van » thong van, truong van, thuong va
hien xanh » hien nhanh, hien khanh, khien canh
hien hanh » dieu hanh
tang luan » dung luan
anh tang » anh bang, anh dang, anh nang
van phan » van phong, van thanh, luan phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hien xanh) OR (chieu xanh))) or (hien hanh)) - anh tang luan thong thuong van phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hien xanh) OR (chieu xanh))) OR (hien hanh)) - anh tang luan thong thuong van phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hien xanh) OR (chieu xanh))) or (hien hanh)) - anh tang luan thong thuong van phan cac".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien xanh) OR (chieu xanh))) or (hien hanh)) - anh tang luan thong thuong van phan cac*.