Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
vien cua » viec cua, dien cua, tien cua
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cua tuc » cua duc, cua tu, cua thuoc
va cao » va cac, va co, va dao
luc va » tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang xa hoi. hieu va cao ((luc va) or (duc va)) nhan vien cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu va cao ((luc va) OR (duc va)) nhan vien cua tuc.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu va cao ((luc va) or (duc va)) nhan vien cua tuc*.