Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
hien xanh » hien hanh, hien nhanh, chieu xanh
trung cua » truong cua, trung tuan, trung cap
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan 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 ((hien xanh) or (((chieu sang) OR (chieu sach)))) - thanh trung cua tong cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (((chieu sang) OR (chieu sach)))) - thanh trung cua tong cong tan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (((chieu sang) OR (chieu sach)))) - thanh trung cua tong cong tan toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (((chieu sang) OR (chieu sach)))) - thanh trung cua tong cong tan toan tap*.