Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sach » chinh sach, chiet tach, chieu sang
cua phuong » cuu phuong, cuc phuong, luan phuong
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
dung cua » dung luan, dung cho
van tuan » van quan, van ban, anh tuan
van tan » van ban, van tai, van thanh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh dung cua phuong cong ((tinh toan) or (((van tuan) or (van tan)))) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh dung cua phuong cong ((tinh toan) OR (((van tuan) OR (van tan)))) ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh dung cua phuong cong ((tinh toan) or (((van tuan) or (van tan)))) ban*.