Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hanh trung » thanh trung, hanh trang, manh trung
cua phuong » cuu phuong, cuc phuong, luan phuong
mot chieu » doi chieu
trung cua » truong cua, trung tuan, trung cap
van thang » van thanh, van khang, van hang
ho chieu » theo chieu, hoc thieu, doi chieu
van than » van thanh, van tuan, van phan

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) or (mot chieu)) sach - hanh trung cua phuong cong ((van than) OR (van thang)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (mot chieu)) sach - hanh trung cua phuong cong ((van than) OR (van thang)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (mot chieu)) sach - hanh trung cua phuong cong ((van than) OR (van thang)) tap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (mot chieu)) sach - hanh trung cua phuong cong ((van than) OR (van thang)) tap*.