Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, nhieu tang
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
dung luong » dung thuong, dung phuong, dung truong
luong manh » duong manh, luong thanh, duong minh
hieu lang » hieu quang, nhieu tang, hieu van
tuan dung » tuan duong, tran dung, tan dung
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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 tinh) or (((chieu sang) OR (hieu lang)))) - hanh trung tuan dung luong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (((chieu sang) OR (hieu lang)))) - hanh trung tuan dung luong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu tinh) or (((chieu sang) OR (hieu lang)))) - hanh trung tuan dung luong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) or (((chieu sang) OR (hieu lang)))) - hanh trung tuan dung luong manh toan ban*.