Perhaps you should try some spelling variations:
lky nang » ly nang, ki nang, ke nang
te sach » toc sach
cam luc » cam xuc, cau luc
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
luc va » duc va, tuc va, loc va
vi cua » di cua
ve cam » ve cham, ve cac, va cam

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) or (lky nang)) xa hoi. hieu ve cam luc va danh ((vi cua) OR (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky nang) OR (lky nang)) xa hoi. hieu ve cam luc va danh ((vi cua) OR (vai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky nang) or (lky nang)) xa hoi. hieu ve cam luc va danh ((vi cua) OR (vai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky nang) or (lky nang)) xa hoi. hieu ve cam luc va danh ((vi cua) OR (vai cua)) tre*.