Perhaps you should try some spelling variations:
dung tren » dung trong, dung trung
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
sach ki » sach kinh, sach bai, sach kem
ki nang » ky nang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ki nang xa hoi. hieu ve cam xuc va hanh vi ((dung tren) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ki nang xa hoi. hieu ve cam xuc va hanh vi ((dung tren) OR (cau tren))*.