Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
cua phuong » cuu phuong, cuc phuong, xuan phuong
hoc chiet » hoc thiet, hoc nhiet, hoc hien
cua thong » cua thuong, cua khong, cua tong
cong tac » cong ty
quan ban » quang ban, qua ban, quan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chiet tach - hanh trinh ((cua thong) or (((cua phuong) OR (luan phuong)))) cong tac quan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chiet tach - hanh trinh ((cua thong) OR (((cua phuong) OR (luan phuong)))) cong tac quan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chiet tach - hanh trinh ((cua thong) or (((cua phuong) OR (luan phuong)))) cong tac quan ban".
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - hanh trinh ((cua thong) or (((cua phuong) OR (luan phuong)))) cong tac quan ban*.