Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
nang cong » nang song, dang cong, bang cong
cong manh » cong danh, duong manh, cong thanh
ho chieu » hoc thieu, doi chieu, mot chieu
chinh ta » chinh tai, chinh va, chinh tri
toan cao » toan ban, toan tap
ta nang » tra nang, tai nang, tap nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (ho chieu)) sach - hanh chinh ta nang cong manh ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - hanh chinh ta nang cong manh ((toan cao) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - hanh chinh ta nang cong manh ((toan cao) or (van ban))*.