Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh manh » hanh mang, lanh manh, hoang manh
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
thong tap » thong cap, tong tap, thong tai
tap doan » tap quan
doan cao » doanh cao, toan cao, doan cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh manh ((cua thong) or (cua khong)) thong tap doan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh manh ((cua thong) OR (cua khong)) thong tap doan cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh manh ((cua thong) or (cua khong)) thong tap doan cao*.