Perhaps you should try some spelling variations:
lam thue » nam thue, luat thue, lam thuoc
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va dung » van dung, va duong, vat dung
tai cua » thai cua, tai cuc, tri cua
y nang » ky nang, ly nang, v nang
ca thu » cac thu, cam thu, ca tru
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: tu sach y nang xa hoi. hieu va ((ca thu) or (lam thue)) va dung tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu va ((ca thu) OR (lam thue)) va dung tai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu va ((ca thu) or (lam thue)) va dung tai cua te*.