Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
dung thong » dung thuong, dung trong, dong thong
trien nhan » trien nha, tri nhan, trien khai
trung qua » trung quan, trong qua, trung cua
qua dung » quang dung, su dung, qua song
ben » bien, been, benh

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

• Performing a fuzzy search may retrieve terms with similar spellings: mot chieu sach - hanh trung qua dung thong quan ((trien nhan) or (trien ben))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot chieu sach - hanh trung qua dung thong quan ((trien nhan) OR (trien ben)).
• Adding a wildcard symbol may retrieve word variants: mot chieu sach - hanh trung qua dung thong quan ((trien nhan) or (trien ben))*.