Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
nam xuc » cam xuc, nam thuc, nam duoc
nam xua » nam cua, nam mua, nam qua
lai cua » hai cua, lai chau, thai cua
y nang » ky nang, ly nang, v nang

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