Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sach » chinh sach, chiet tach, chieu sang
trinh thuc » trinh tu, trinh thi
hieu manh » chieu xanh, hieu nganh, dieu hanh
thuc nang » chuc nang, thuc trang, thich nang
nang cong » nang song, dang cong, bang cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan 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 ((hieu manh) or (chieu sach)) - hanh trinh thuc nang cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sach)) - hanh trinh thuc nang cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sach)) - hanh trinh thuc nang cong dan toan tap*.