Perhaps you should try some spelling variations:
vien cua » viec cua, dien cua, tien cua
thu sac » thu sach, thu san, thu xac
nang ho » nang hoc, nang co, tang ho
hieu va » lieu va, hieu qua
sac ky » cac ky, sai ky
ho hoc » hoa hoc, cho hoc, hoi hoc
va cao » va cac, va co, va dao
luc va » tuc va, loc va
cua te » cua tu

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 ho hoc. hieu va cao ((luc va) or (duc va)) nhan vien cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang ho hoc. hieu va cao ((luc va) OR (duc va)) nhan vien cua te.
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang ho hoc. hieu va cao ((luc va) or (duc va)) nhan vien cua te*.