Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chieu sang, hieu cach
hanh tranh » canh tranh, hanh trinh, hanh trang
dang luong » nang luong, dung luong, hang luong
tranh cua » doanh cua, manh cua
luong van » luong va, duong van, luong vat
cua dang » cua cong, cua ban
van tuan » van quan, van ban, anh tuan
tuan cau » toan cau, quan cau, tuan cu

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 sach) or (chiet tach)))) - hanh tranh cua dang luong van tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu sach) OR (chiet tach)))) - hanh tranh cua dang luong van tuan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chieu sach) or (chiet tach)))) - hanh tranh cua dang luong van tuan cau*.