Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
thong cong » trong cong, tong cong, thong thong
manh hung » anh huong
dung cong » dung trong
hung cua » huong cua, chung cua, khung cua
ca ban » cua ban, can ban, cac 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 (chieu sang)) - manh hung cua ((thong cong) or (dung cong)) dan ca ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chieu sang)) - manh hung cua ((thong cong) OR (dung cong)) dan ca ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (chieu sang)) - manh hung cua ((thong cong) or (dung cong)) dan ca ban*.