Perhaps you should try some spelling variations:
thanh lam » thanh lap, hanh lam, thanh nam
su triet » su viet, su tien, ve triet
hieu van » hieu va, thien van, hieu ve
va thanh » gia thanh, ban thanh, va tinh
ty hang » ly hang, ty xang, thi hang
bac day » bac dai, bac dan, bac thay
ty nang » ky nang, ty xang, ly nang
su sach » so sach, vu sach
lam su » lai su, lam so, lam vu
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: su sach ((ty nang) or (ty hang)) x hoi. ((hieu van) or (lieu va)) bac day va thanh lam su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ty hang)) x hoi. ((hieu van) OR (lieu va)) bac day va thanh lam su triet.
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) or (ty hang)) x hoi. ((hieu van) or (lieu va)) bac day va thanh lam su triet*.