Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, cau tren
nang hoc » nang doc, nang luc, dong hoc
thien va » thien van, tien va, thien tai
hanh lai » hanh lam, hanh tai, thanh lap
lai chay » lai chau, lam chay, lai chang
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hoc hoi » hoc khoi, hoc hoa, hoc noi
va cham » va chat, va tham
xuc va » tuc va, xac va
luc va » tuc va, loc va

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 ky nang hoc hoi. thien va cham ((((xuc va) or (luc va))) or (duc va)) hanh lai chay tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang hoc hoi. thien va cham ((((xuc va) OR (luc va))) OR (duc va)) hanh lai chay tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang hoc hoi. thien va cham ((((xuc va) or (luc va))) or (duc va)) hanh lai chay tren*.