Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
phuong dan » phuong doan, huong dan, phuong lan
hieu xanh » chieu xanh, hieu manh, hieu nganh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
tang cua » mang cua, hang cua, tang luan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hanh tang cua nhung ((phuong dan) or (phuong danh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh tang cua nhung ((phuong dan) OR (phuong danh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh tang cua nhung ((phuong dan) or (phuong danh)) toan cau*.