Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
thanh tung » thanh cong
nhung song » nhung cong, nhung bong, nhung chong
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
tung cua » trung cua, tuong cua, dung cua
van tan » van tuan, van ban, van tai

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) OR (chieu sang)) - thanh tung cua nhung song ((manh toan) or (van tan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - thanh tung cua nhung song ((manh toan) OR (van tan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chieu sang)) - thanh tung cua nhung song ((manh toan) or (van tan)) cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chieu sang)) - thanh tung cua nhung song ((manh toan) or (van tan)) cao*.