Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
hanh trang » thanh trung, canh tranh, hanh trinh
nhung vung » nhung dung, nhung huong, nhung tuong
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
vung tinh » dung tinh, hung tinh, vung sinh
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 sang) or (chiet tach)) - hanh trang cua nhung vung tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chiet tach)) - hanh trang cua nhung vung tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (chiet tach)) - hanh trang cua nhung vung tinh toan ban*.