Perhaps you should try some spelling variations:
quang trong » quang truong, quang trung, quan trong
chieu xanh » chieu sach, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trung » thanh trung, hanh trang, manh trung
trung tran » trung tuan, trung thanh, trung tam
trong dang » truong dang, trong dan, trong dong
dang toan » dang tran, dan toan, dung toan
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 xanh) OR (chieu sang))) or (chieu tinh)) - hanh trung tran quang trong dang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (chieu sang))) OR (chieu tinh)) - hanh trung tran quang trong dang toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((chieu xanh) OR (chieu sang))) or (chieu tinh)) - hanh trung tran quang trong dang toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) OR (chieu sang))) or (chieu tinh)) - hanh trung tran quang trong dang toan cao*.