Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh dung » thanh duong, thanh tung, thanh hung
phan cong » thanh cong
cong vinh » cong trinh, trong vinh, cong viec
tai phan » tai thanh, tai phong, tai ngan
vinh van » dinh van, trinh van, sinh vat

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 tinh)) - thanh dung tai phan cong vinh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu tinh)) - thanh dung tai phan cong vinh van ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu tinh)) - thanh dung tai phan cong vinh van ban*.