Perhaps you should try some spelling variations:
cau tren » dau tren, ca tren, cau treo
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
cu tren » tu tren, dua tren
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
cua te » cua tu
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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 ky nang o hoi. hieu ve cam xuc va hanh vi ((cua te) or (((cau tren) OR (cu tren))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang o hoi. hieu ve cam xuc va hanh vi ((cua te) OR (((cau tren) OR (cu tren))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang o hoi. hieu ve cam xuc va hanh vi ((cua te) or (((cau tren) OR (cu tren))))*".