Perhaps you should try some spelling variations:
thien van » thi van
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. thien van ((cam duc) or (pham duc)) va hanh di cau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. thien 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. thien van ((cam duc) or (pham duc)) va hanh di cau tre*.