Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
trung tuan » trung thanh, tran tuan, truong thanh
phong hung » phong nhung, phuong nhung, phong chong
hung anh » hung manh, hong anh, phuong anh
anh toan » manh toan, anh tuan, thanh 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 (chieu sach)) - thanh ((trung tuan) or (trung tam)) phong hung anh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chieu sach)) - thanh ((trung tuan) OR (trung tam)) phong hung anh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sang) OR (chieu sach)) - thanh ((trung tuan) or (trung tam)) phong hung anh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) OR (chieu sach)) - thanh ((trung tuan) or (trung tam)) phong hung anh toan cau*.