Perhaps you should try some spelling variations:
khanh thai » nhanh thai, khanh thanh, khanh thuan
van khanh » van thanh, van hanh, van anh
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
thai tu » thai tuc, tai tu, thai xu
tu tren » tu truyen, tu tieng, tu trong
ve cac » va cac, vien cac
o hoc » co hoc, mo hoc, so hoc
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: tu cac ky nang ((o hoc) or (o hai)). hieu ve cac xuc van khanh thai tu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((o hoc) OR (o hai)). hieu ve cac xuc van khanh thai tu tren.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((o hoc) or (o hai)). hieu ve cac xuc van khanh thai tu tren*.