Perhaps you should try some spelling variations:
phuong phuong » thuong phuong, nhung phuong, truong phuong
luan phuong » lan phuong, quang phuong, doan phuong
chieu xanh » chieu sach, chieu sang, chieu tinh
phuong van » phung van, phong van, phuong lan
hieu manh » hieu nganh, dieu hanh, hien hanh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
phan cac » nhan cach, phan dau, phan van
phan lap » phan dau

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

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