Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
thanh doan » thanh toan, thinh doan, thanh loan
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
doan tuan » doan quan, doanh luan, doan quang
trinh man » trinh mang, trinh han, trinh van
man tap » han tap, toan tap, phan tap

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 sang) or (chieu xanh)) - thanh doan tuan thong cong trinh man tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chieu xanh)) - thanh doan tuan thong cong trinh man tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (chieu xanh)) - thanh doan tuan thong cong trinh man tap*.