Perhaps you should try some spelling variations:
nhanh thanh » phan thanh, nhanh tinh
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
tung tuan » trung tuan, hung tuan, quang tuan
tuan dung » tuan duong, tran dung, tan dung
dung dong » dung cong, vung dong, dung trong
ho chieu » theo chieu, hoc thieu, doi chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh tung tuan dung dong ((nhanh quang) or (nhanh thanh)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung tuan dung dong ((nhanh quang) OR (nhanh thanh)) cap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung tuan dung dong ((nhanh quang) or (nhanh thanh)) cap*.