Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
dua tren » dung tren
hieu van » hieu va, thien van, lieu va
van tham » van thanh, van tuan, van chat
tham xuc » tham nuoc, tham thuc, pham duc
kinh vi » dinh vi, kinh ve, kenh vi
te sach » toc sach
va kinh » va tinh, qua kinh
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu van tham xuc va kinh vi ((((dua tren) or (cua te))) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu van tham xuc va kinh vi ((((dua tren) OR (cua te))) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu van tham xuc va kinh vi ((((dua tren) or (cua te))) or (su triet))*.