Perhaps you should try some spelling variations:
trung phuong » truong phuong, rung phuong, thuong phuong
phuong danh » phuong anh, phuong dinh, phuong hanh
chieu sang » chieu sach, chieu xanh, hieu lang
hieu quang » thieu quang, hieu quan, hieu qua
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
cua trung » cua truong, xuan trung, cua nhung
danh toan » manh toan, anh toan, dan toan
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: hoc ((((chieu sang) or (hieu quang))) or (chinh sach)) - hanh trung cua trung phuong danh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu sang) OR (hieu quang))) OR (chinh sach)) - hanh trung cua trung phuong danh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu sang) or (hieu quang))) or (chinh sach)) - hanh trung cua trung phuong danh toan cau*.