Perhaps you should try some spelling variations:
nhanh thanh » phan thanh, nhanh tinh
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
trong toan » truong toan, trong tan, trong hoan
toan thang » toan thong, thanh thang, tran thanh
thang bac » thanh bac, thong bac, hang ban
qua dung » quang dung, su dung, qua cong

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 sang) or (chiet tach)) - nhanh thanh ((qua dung) OR (qua song)) trong toan thang bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - nhanh thanh ((qua dung) OR (qua song)) trong toan thang bac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chiet tach)) - nhanh thanh ((qua dung) OR (qua song)) trong toan thang bac".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chiet tach)) - nhanh thanh ((qua dung) OR (qua song)) trong toan thang bac*.