Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
vu sach » vu bach, su sach, vu khach
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
sach ly » sach y, sach lo, sach ty
dao duc » giao duc, tao duoc
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ly nang xa hoi. hieu va ((cam duc) or (dao duc)) van doanh tai ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ly nang xa hoi. hieu va ((cam duc) OR (dao duc)) van doanh tai ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ly nang xa hoi. hieu va ((cam duc) or (dao duc)) van doanh tai ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: vu sach ly nang xa hoi. hieu va ((cam duc) or (dao duc)) van doanh tai ((cua te) OR (cua tu))*.