Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu xanh, hieu cach
chieu sang » chieu xanh, hieu lang, nhieu tang
nhung long » nhung cong, nhung lang, hung long
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
long tinh » cong tinh, trong tinh, luong tin
manh cua » doanh cua, ban cua
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 sach) or (chiet tach))) or (chieu sang)) - canh manh cua nhung long tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu sach) OR (chiet tach))) OR (chieu sang)) - canh manh cua nhung long tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu sach) or (chiet tach))) or (chieu sang)) - canh manh cua nhung long tinh toan ban*.