Perhaps you should try some spelling variations:
bach tuoc » sach duoc, sach nuoc
hanh tri » thanh tri, hanh tai, hanh trinh
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
bac tuc » bac tu, bac thua
va hanh » van hanh, va thanh, va danh

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. hieu va ((bac tuc) or (bach tuoc)) va hanh tri cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu va ((bac tuc) OR (bach tuoc)) va hanh tri cua viet.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu va ((bac tuc) or (bach tuoc)) va hanh tri cua viet*.