Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran tap » toan tap, tran tan, tran tuan

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 xanh) or (chieu sang)) - hanh ((mang cua) OR (dung cua)) trong cong tac tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - hanh ((mang cua) OR (dung cua)) trong cong tac tran tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - hanh ((mang cua) OR (dung cua)) trong cong tac tran tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - hanh ((mang cua) OR (dung cua)) trong cong tac tran tap*.