Perhaps you should try some spelling variations:
thuong phuong » truong phuong, thong phuong, thong thuong
luan thuong » luat thuong, lan thuong, luan phuong
thieu xanh » chieu xanh, thien anh, thien danh
phuong van » phung van, phong van, phuong lan
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
phan cac » phan dau, phan lap, phan 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)) - hanh tang luan thuong phuong van ((phan cac) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh tang luan thuong phuong van ((phan cac) OR (nhan cach)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - hanh tang luan thuong phuong van ((phan cac) or (nhan cach))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - hanh tang luan thuong phuong van ((phan cac) or (nhan cach))*.