Perhaps you should try some spelling variations:
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
van nhanh » van thanh, van hanh, van khanh
tu sach » thu sach, su sach, te sach
thai ca » thai cua, thai cao, thai va
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
ca tren » cau tren, cu tren, la tren
sach ky » sac ky, sach y, sach ty
ve cam » ve cham, ve cac, va cam
c_ hai » co hai
_ hai » _ tai, _ hao
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: tu sach ky nang ((o hoi) or (((_ hai) or (c_ hai)))). hieu ve cam xuc van nhanh thai ca tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((o hoi) OR (((_ hai) OR (c_ hai)))). hieu ve cam xuc van nhanh thai ca tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((o hoi) or (((_ hai) or (c_ hai)))). hieu ve cam xuc van nhanh thai ca tren*.