Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
sinh trong » sinh truong, sinh trung, dinh trong
bieu tuong » bien trong, lieu huong, lieu thong
hoan khoan » toan khoan, hoang thoan, toan khoa
cong hoan » cong hoa, dong hoa, cong san
khoan cap » khoan cam, khan cap, khoa cap
ho chieu » theo chieu, hoc thieu, doi chieu
dieu » hieu, dien

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 - sinh trong ((dieu duong) or (bieu tuong)) cong hoan khoan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - sinh trong ((dieu duong) OR (bieu tuong)) cong hoan khoan cap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - sinh trong ((dieu duong) or (bieu tuong)) cong hoan khoan cap*.