Perhaps you should try some spelling variations:
thanh lam » thanh lap, hanh lam, thanh nam
su triet » su viet, su tien, ve triet
ve cham » va cham, ve chat, vu cham
sach ty » sach tu, sach thu, xach tay
hieu ve » hieu va, hieu van
nang o » nang co, nang ho, nang ro
xuc va » tuc va, luc va, xac va
lam su » lai su, lam so, lam vu
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((sach y) or (sach ty)) nang o hoi. hieu ve cham ((xuc va) or (duc va)) thanh lam su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sach y) OR (sach ty)) nang o hoi. hieu ve cham ((xuc va) OR (duc va)) thanh lam su triet.
• Adding a wildcard symbol may retrieve word variants: vu ((sach y) or (sach ty)) nang o hoi. hieu ve cham ((xuc va) or (duc va)) thanh lam su triet*.