Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sach » chinh sach, chiet tach, chieu sang
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
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: ho chieu sach - ((hanh tang) or (hanh mang)) va nhung cong dan ((doanh tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tang) OR (hanh mang)) va nhung cong dan ((doanh tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tang) or (hanh mang)) va nhung cong dan ((doanh tai) or (toan cao))*.