Perhaps you should try some spelling variations:
thanh doanh » hanh doanh, thanh toan, chinh doanh
hieu vien » hieu hien, hieu viec, thieu nien
vien cac » vien bach, vien dai, vien da
va thanh » gia thanh, ban thanh, va tinh
cac tuc » cac toc, cac tu, cac tac
su sach » so sach
vu sach » vu bach, vu khach
tuc va » thuc va, truc va, tuc xa
y nang » ky nang, ly nang, v nang
cua tu » cua tuc, cua cu, cua te
cua su » qua su
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: ((su sach) OR (vu sach)) y nang x hoi. hieu vien cac tuc va thanh doanh ((cua tu) or (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) y nang x hoi. hieu vien cac tuc va thanh doanh ((cua tu) OR (cua su)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) y nang x hoi. hieu vien cac tuc va thanh doanh ((cua tu) or (cua su))".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) y nang x hoi. hieu vien cac tuc va thanh doanh ((cua tu) or (cua su))*.