Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
tieu sach » chieu sach, dien sach, te sach
luan hoan » luan van
hoan cong » hoang cong, hoa cong, toan cong
cong manh » cong danh, duong manh, cong thanh
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - hanh trinh luan hoan cong manh ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh trinh luan hoan cong manh ((toan cao) OR (toan ban))*.