Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
nhanh lang » nhanh quang, nhanh thang, nhan dang
luan chinh » luan chi, hoan chinh, luat hinh
tuan hung » tran hung, luan hung, tuan dung
cong tinh » cong trinh, cong vinh, long tinh
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 chiet tach - nhanh lang ((tuan hung) or (luan chinh)) cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chiet tach - nhanh lang ((tuan hung) OR (luan chinh)) cong tinh toan ban*.