Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
thong dung » thong thuong
thong cong » trong cong, tong cong, thong thong
trong mach » trong cac, trong minh, trong anh
nho chieu » ho chieu, nho hieu, theo chieu
tung tuan » trung tuan, hung tuan, quang tuan
trong ba » trong ban, trong bau, trong ca

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nho chieu sang - thanh tung tuan ((thong dung) OR (thong cong)) thanh ((trong mach) or (trong ba))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho chieu sang - thanh tung tuan ((thong dung) OR (thong cong)) thanh ((trong mach) OR (trong ba)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "nho chieu sang - thanh tung tuan ((thong dung) OR (thong cong)) thanh ((trong mach) or (trong ba))".
• Adding a wildcard symbol may retrieve word variants: nho chieu sang - thanh tung tuan ((thong dung) OR (thong cong)) thanh ((trong mach) or (trong ba))*.