Perhaps you should try some spelling variations:
hanh tri » thanh tri, hanh tai, hanh trinh
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
vu kham » vu khanh
va hanh » van hanh, va thanh, va danh
ve cam » ve cham, ve cac, va cam
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu ((ve cam) or (vu kham)) duc va hanh tri cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang x hoi. hieu ((ve cam) OR (vu kham)) duc va hanh tri cua te.
• Adding a wildcard symbol may retrieve word variants: so sach ky nang x hoi. hieu ((ve cam) or (vu kham)) duc va hanh tri cua te*.