Perhaps you should try some spelling variations:
danh vai » danh sai, danh va, doanh van
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty xang, ty hang
vai cua » dai cua, hai cua, lai cua
ly hang » ly quang
va danh » va dinh, va dan, va hanh
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ly hang)) xa hoi. hieu ((ve cam) OR (ve cac)) duc va danh vai cua te~.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ly hang)) xa hoi. hieu ((ve cam) or (ve cac)) duc va danh vai cua te*.