Perhaps you should try some spelling variations:
chieu lang » hieu lang, chi lang, chieu xanh
chieu sang » chieu sach, chieu xanh, hieu lang
nhanh dung » nhanh dong, hanh dung, nhanh hung
khong cong » thong cong, chong cong, khong con
khong cang » thong cong, hong bang, khong dung
dung cua » dung luan, dung cho
tac toan » tap toan, tam toan, hach toan
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: theo ((chieu lang) OR (chieu sang)) - nhanh dung cua ((khong cong) or (khong cang)) tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu lang) OR (chieu sang)) - nhanh dung cua ((khong cong) OR (khong cang)) tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu lang) OR (chieu sang)) - nhanh dung cua ((khong cong) or (khong cang)) tac toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu lang) OR (chieu sang)) - nhanh dung cua ((khong cong) or (khong cang)) tac toan ban*.