Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
vu khach » vu khanh, vu khac, vay khach
viec cac » vien cac, viec cua, viec lam
cac phuc » cau phuc, khac phuc, cach thuc
phuc cua » thuc cua, hoc cua, phuc vu
su sach » so sach
vu sach » vu bach
nang xa » nang x, lang xa, nang ma
cua dan » cua dang, cua ban, ca dan
cuu tre » cua tre, cau tren, cau treo
dan vi » doan vi, don vi, dan va
vi cuu » vi luu, vinh cuu

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) OR (vu khach)))) ky nang xa hoi. hieu viec cac phuc cua dan vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (((vu sach) OR (vu khach)))) ky nang xa hoi. hieu viec cac phuc cua dan vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (((vu sach) OR (vu khach)))) ky nang xa hoi. hieu viec cac phuc cua dan vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (((vu sach) OR (vu khach)))) ky nang xa hoi. hieu viec cac phuc cua dan vi cuu tre*.