Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
quan tren » quan trong, quang tran, quan tri
van hanh » van thanh, ban hanh, van anh
quan tre » quan tri, quang tri, quang tru
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
bao xuc » bao luc, bao thuc
xuc van » duc van, luc van, vuc van
va bao » va bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky nang xa hoi. hieu va bao xuc van hanh trinh ((quan tre) OR (quan tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang xa hoi. hieu va bao xuc van hanh trinh ((quan tre) OR (quan tren))".
• Adding a wildcard symbol may retrieve word variants: so sach ky nang xa hoi. hieu va bao xuc van hanh trinh ((quan tre) OR (quan tren))*.