Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
khong mong » khong dong, khong xuong, khong trong
hay khong » bay khong, hang khong, hoac khong
dung dan » dung dat, dung san, tung dan
mong van » muong van, song van, tong van
dan hay » doan hay, dan tay, dan day
van tan » van tuan, van ban, van tai
tan tap » toan tap, han tap, tan tat

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 sach) or (chieu sang)) - dung dan hay khong mong van tan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - dung dan hay khong mong van tan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - dung dan hay khong mong van tan tap*.