Perhaps you should try some spelling variations:
luc sang » lam sang, luc canh, duy sang
sang van » dang van, tang van, san van
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu va » lieu va, hieu qua
hau luc » hau loc, cau luc, nhan luc
van tai » von tai, van tuan
va hau » van hau, va chau, vat hau
tai su » tai so, tai tu, lai su
x hoi » xa hoi, o hoi, x ho

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 ty nang x hoi. hieu va hau luc sang van tai su triet~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x hoi. hieu va hau luc sang van tai su triet*.