Perhaps you should try some spelling variations:
khanh thai » nhanh thai, khanh thanh, khanh thuan
van khanh » van thanh, van hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
thai cua » than cua, tai cuc, tri cua
cua tren » dua tren, ca tren, cua tre
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
xuc van » duc van, luc van, vuc van
o hoa » do hoa, so hoa, o ha
o hai » co hai, so hai, o lai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ((o hoa) or (o hai)). hieu ve chat xuc van khanh thai cua tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((o hoa) OR (o hai)). hieu ve chat xuc van khanh thai cua tren.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((o hoa) or (o hai)). hieu ve chat xuc van khanh thai cua tren*.