Perhaps you should try some spelling variations:
cong trong » cong thuong, duong trong, cong trinh
chieu sach » chinh sach, chiet tach, chieu sang
trong dang » truong dang, trong dan, trong dong
tranh cua » manh cua
doanh cua » doanh luan
dang toan » dang tran, dan toan, dung toan
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban, toan tap

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 - canh ((tranh cua) or (doanh cua)) cong trong dang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh ((tranh cua) OR (doanh cua)) cong trong dang toan cao*.