Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thu sach » tu sach, thuoc sach, thu hoach
hanh doi » thanh doi, hanh noi, hang doi
su triet » su viet, su tien, ve triet
va cham » va chat, va tham
y nang » ky nang, ly nang, v nang
uoc va » nuoc va, duoc va, quoc va
loc va » hoc va, luc va
doi su » oi su, don su, voi 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: ((thu sach) or (thuat sach)) y nang x hoi. lieu va cham ((uoc va) or (loc va)) hanh doi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat sach)) y nang x hoi. lieu va cham ((uoc va) OR (loc va)) hanh doi su triet.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuat sach)) y nang x hoi. lieu va cham ((uoc va) or (loc va)) hanh doi su triet*.