Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
trung tuan » trung thanh, trung tam, tran tuan
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
cong tac » cong ty
tran tap » tran tan, tran tuan, trang tai
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: theo ((chieu sang) or (chieu xanh)) - thanh trung tuan dung cong tac ((tran tap) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu xanh)) - thanh trung tuan dung cong tac ((tran tap) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (chieu xanh)) - thanh trung tuan dung cong tac ((tran tap) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu xanh)) - thanh trung tuan dung cong tac ((tran tap) OR (toan tap))*.