Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, cau tren
hanh lam » thanh lap, hanh va, dinh lam
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
x hoi » xa hoi, o hoi, x ho
kem » kiem
khoe » khoa, khoi, kho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang x hoi. lieu va cac xuc ban ((hanh lam) OR (hanh kem)) ((khoe tre) OR (chay tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang x hoi. lieu va cac xuc ban ((hanh lam) OR (hanh kem)) ((khoe tre) or (chay tren))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x hoi. lieu va cac xuc ban ((hanh lam) OR (hanh kem)) ((khoe tre) or (chay tren))*.