Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
te sach » toc sach
nang xa » nang x, lang xa, nang ma
cam duc » cam xuc, cao duc, nam duoc
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
cau tre » cau tren, cau treo, cau tra
y nang » ky nang, ly nang, v nang
di cau » da cau, diem cau

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 ((cam duc) OR (pham duc)) va hanh di cau tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. hieu van ((cam duc) OR (pham duc)) va hanh di cau tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu van ((cam duc) OR (pham duc)) va hanh di cau tre*.