Perhaps you should try some spelling variations:
trinh suat » trinh luat, trinh sat, trinh quan
hanh trinh » canh tranh, hanh chinh
suat trong » suat thong, luat trong, thuat trong
cong quang » luong quang, thong quang, duong quang
quang doan » quan doan, quang hoan, quang toan
ho chieu » theo chieu, hoc thieu, doi chieu
doan tap » toan tap, doan cap, doanh tai

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) or (hoc hien)) sach - hanh trinh suat trong cong quang doan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc hien)) sach - hanh trinh suat trong cong quang doan tap*.