Perhaps you should try some spelling variations:
thien van » thi van
cua triet » cua viet, su triet, va triet
te sach » toc sach
hanh de » hanh ve, hanh kem
hanh di » hanh vi, hang di, danh di
duc van » duc va, duc tan, duc manh
van bac » van ban, van bao, van hac
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo
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. thien van bac duc van ((hanh di) OR (hanh de)) ((cua triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. thien van bac duc van ((hanh di) OR (hanh de)) ((cua triet) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. thien van bac duc van ((hanh di) OR (hanh de)) ((cua triet) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. thien van bac duc van ((hanh di) OR (hanh de)) ((cua triet) or (cuu tre))*.