Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
dung phuong » dung thuong, bang phuong, dung chung
phuong danh » phuong anh, phuong dinh, phuong hanh
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
anh trong » anh thuong, dinh trong, lang trong
danh phan » doanh phan, danh nhan, danh phap
qua dung » quang dung, su dung, qua song
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sang) OR (hieu lang)) - ((hanh truong) or (anh trong)) qua dung phuong danh phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (hieu lang)) - ((hanh truong) OR (anh trong)) qua dung phuong danh phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sang) OR (hieu lang)) - ((hanh truong) or (anh trong)) qua dung phuong danh phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) OR (hieu lang)) - ((hanh truong) or (anh trong)) qua dung phuong danh phan cau*.