Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
chuc danh » chuc nganh, thuc hanh, chuc nang
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((chuc danh) or (chieu sach)) - thanh ((trung cua) OR (trung cap)) nhung cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chuc danh) OR (chieu sach)) - thanh ((trung cua) OR (trung cap)) nhung cong van toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chuc danh) or (chieu sach)) - thanh ((trung cua) OR (trung cap)) nhung cong van toan cao".
• Adding a wildcard symbol may retrieve word variants: cho ((chuc danh) or (chieu sach)) - thanh ((trung cua) OR (trung cap)) nhung cong van toan cao*.