Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
chinh chat » chinh phat, chinh chau, tinh chat
chat nhung » chat ngung, thuat nhung, cua nhung
nhung dung » phuong dung, ung dung, thong dung
dung tinh » dang tinh, dung ninh, dung tin
toan ban » van ban

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 sang) OR (chiet tach)) - hanh chinh chat nhung dung tinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) OR (chiet tach)) - hanh chinh chat nhung dung tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) OR (chiet tach)) - hanh chinh chat nhung dung tinh toan ban*.