Perhaps you should try some spelling variations:
nhan dien » nhan vien, nhan dieu, nhan dan
thu sac » thu sach, thu san, thu xac
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
sac ky » cac ky, sai ky
va cao » va cac, va co, va dao
luc va » tuc va, loc va
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: thu sac ky nang xa hoi. hieu va cao ((duc va) or (luc va)) nhan dien ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang xa hoi. hieu va cao ((duc va) OR (luc va)) nhan dien ((cua te) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sac ky nang xa hoi. hieu va cao ((duc va) or (luc va)) nhan dien ((cua te) OR (cua tu))*".