Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
cong tinh » cong trinh, cong vinh, long tinh
manh cua » doanh cua, ban cua
tinh van » trinh van, dinh van, tinh va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((chinh sach) or (chiet tach))) or (chieu sang)) - canh manh cua nhung cong tinh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chinh sach) OR (chiet tach))) OR (chieu sang)) - canh manh cua nhung cong tinh van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chinh sach) or (chiet tach))) or (chieu sang)) - canh manh cua nhung cong tinh van ban*.