Perhaps you should try some spelling variations:
phan vien » nhan vien, phan kien, phan bien
vien cua » viec cua, dien cua, tien cua
suc van » su van, duc van, sac van
luc van » luoc van, luu van, duc van
sac ky » sai ky
va cao » va cac, va co, va dao
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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: thu ((sac ky) OR (cac ky)) nang x hoi. lieu va cao ((suc van) OR (luc van)) phan vien cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sac ky) or (cac ky)) nang x hoi. lieu va cao ((suc van) OR (luc van)) phan vien cua tu~".
• Adding a wildcard symbol may retrieve word variants: thu ((sac ky) or (cac ky)) nang x hoi. lieu va cao ((suc van) OR (luc van)) phan vien cua tu*.