Perhaps you should try some spelling variations:
te sach » toc sach
va danh » va dinh, va dan, va hanh
cam luc » cam xuc, cau luc
hieu ve » hieu va, hieu van
ke nang » ki nang, ke mang, kha nang
luc va » duc va, tuc va, loc va
vi cua » vai cua
di cua » dai cua, doi cua, de 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 (ke nang)) xa hoi. hieu ve cam luc va danh ((vi cua) OR (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky nang) OR (ke nang)) xa hoi. hieu ve cam luc va danh ((vi cua) OR (di cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky nang) or (ke nang)) xa hoi. hieu ve cam luc va danh ((vi cua) OR (di cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky nang) or (ke nang)) xa hoi. hieu ve cam luc va danh ((vi cua) OR (di cua)) tre*.