Perhaps you should try some spelling variations:
thi nang » thi cong, thi hanh
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
te sach » toc sach
xuc van » duc van, luc van, vuc van
hanh di » hanh vi, hanh de, hang di
ki nang » ky nang
hieu ve » hieu va
cac xuc » cam xuc, cac nuoc, chat xuc
di cua » dai cua, doi cua, de cua
cua cu » cua chu, cua cau, cua su

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 ((thi nang) OR (ki nang)) xa hoi. ((hieu ve) or (hieu van)) cac xuc van hanh di cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thi nang) OR (ki nang)) xa hoi. ((hieu ve) OR (hieu van)) cac xuc van hanh di cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thi nang) OR (ki nang)) xa hoi. ((hieu ve) or (hieu van)) cac xuc van hanh di cua cu".
• Adding a wildcard symbol may retrieve word variants: te sach ((thi nang) OR (ki nang)) xa hoi. ((hieu ve) or (hieu van)) cac xuc van hanh di cua cu*.