Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhung cong » dung cong, thong cong, hang cong
chuc danh » chuc nganh, thuc hanh, chuc nang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tinh » cong trinh, cong vinh, long tinh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chuc danh) or (((chieu sach) OR (chiet tach)))) - canh tranh cua nhung cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chuc danh) OR (((chieu sach) OR (chiet tach)))) - canh tranh cua nhung cong tinh toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chuc danh) or (((chieu sach) OR (chiet tach)))) - canh tranh cua nhung cong tinh toan ban*".