Perhaps you should try some spelling variations:
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
van nhanh » van thanh, van hanh, van khanh
dau tren » dau tien, dat tren, dau tieng
cson hai » cuong hai, cong hai, son ha
thai dau » thau dau, thai dac, thi dau
son hai » cong hai
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
tu sach » thu sach, su sach, te sach
ve cac » va cac, vien cac
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 (((son hai) or (cson hai)))). hieu ve cac xuc van nhanh thai dau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((o hoi) OR (((son hai) OR (cson hai)))). hieu ve cac xuc van nhanh thai dau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((o hoi) or (((son hai) or (cson hai)))). hieu ve cac xuc van nhanh thai dau tren*.