Perhaps you should try some spelling variations:
chiet tach » chieu sach
khong cong » thong cong, khong cang, chong cong
chua xang » chua nang, chuc nang, chu bang
huong cua » dung cua
hang cua » mang cua, hang ca, thong cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: theo ((chiet tach) or (chua xang)) - hanh ((hang cua) OR (huong cua)) khong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chiet tach) OR (chua xang)) - hanh ((hang cua) OR (huong cua)) khong cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chiet tach) or (chua xang)) - hanh ((hang cua) OR (huong cua)) khong cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) or (chua xang)) - hanh ((hang cua) OR (huong cua)) khong cong dan toan cao*.