Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
van hanh » van thanh, ban hanh, van anh
hieu ve » hieu va, hieu van
thai cu » thai cua, thai xu, thi cu
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
cu tren » tu tren, dua tren
so hai » son hai, su hai, so ha
ve cac » va cac, vien cac
o hoi » co hoi, o hoc, o hoa
o hai » co hai, o lai, _ 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 cac ky nang ((o hoi) or (((o hai) OR (so hai)))). hieu ve cac xuc van hanh thai cu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((o hoi) OR (((o hai) OR (so hai)))). hieu ve cac xuc van hanh thai cu tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((o hoi) or (((o hai) OR (so hai)))). hieu ve cac xuc van hanh thai cu tren".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((o hoi) or (((o hai) OR (so hai)))). hieu ve cac xuc van hanh thai cu tren*.