Perhaps you should try some spelling variations:
trong thuat » trong hoat, trong thu, trong phat
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trong » hanh trang, anh trong, hinh trong
thuat xung » thuat dung, thuat hung, thuat ung
xung cong » xuong cong, dung cong, luong cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh 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 xanh) or (chieu tinh)) - hanh trong thuat xung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu tinh)) - hanh trong thuat xung cong dan toan cau*.