Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
danh doi » danh di, thanh doi, dung doi
cac duc » cac du, cao duc, cac dac
cac dai » cac dan, cac bai, can dai
doi cua » dai cua, hoi cua
vu sach » vu bach, su sach, vu khach
va danh » va dinh, va dan, va hanh
vu sac » vu san, va sac, vu cac
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: ((vu sac) or (vu sach)) ky nang x hoi. hieu vien ((cac duc) or (cac dai)) va danh doi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sac) OR (vu sach)) ky nang x hoi. hieu vien ((cac duc) OR (cac dai)) va danh doi cua te.
• Adding a wildcard symbol may retrieve word variants: ((vu sac) or (vu sach)) ky nang x hoi. hieu vien ((cac duc) or (cac dai)) va danh doi cua te*.