Perhaps you should try some spelling variations:
chat luc » chat xuc, chat lua, nhan luc
te sach » toc sach
cao hoi » cau hoi, co hoi, cao hoc
hieu vu » hieu va, hieu ve, hieu su
vu chat » va chat, ve chat, du chat
dau cua » day cua, cau cua, dan cua
y nang » ky nang, ly nang, v nang
luc va » duc va, tuc va, loc va
va dau » va dao

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 y nang cao hoi. hieu vu chat luc va dau ((dau cua) OR (dai cua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang cao hoi. hieu vu chat luc va dau ((dau cua) OR (dai cua)) te".
• Adding a wildcard symbol may retrieve word variants: te sach y nang cao hoi. hieu vu chat luc va dau ((dau cua) OR (dai cua)) te*.