Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
cong trong » cong thuong, duong trong, cong trinh
trong dang » truong dang, trong dan, trong dong
doanh cua » doanh luan
nhan cach » phan cac
ho chieu » theo chieu, hoc thieu, doi chieu
phan van » pham van, thanh van, luan van
toan » tran

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 tinh - toan doanh cua cong trong dang ((phan van) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - toan doanh cua cong trong dang ((phan van) OR (nhan cach)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - toan doanh cua cong trong dang ((phan van) or (nhan cach))*.