Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
vinh cuu » dinh cuu, sinh cua, dinh cu
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
xuc van » duc van, luc van, vuc van
co hoi » co loi
vi cuu » vi luu

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 ty nang ((co hoi) or (co hoc)). hieu ve cham xuc van hanh ((vi cuu) OR (vinh cuu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ((co hoi) OR (co hoc)). hieu ve cham xuc van hanh ((vi cuu) OR (vinh cuu)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang ((co hoi) or (co hoc)). hieu ve cham xuc van hanh ((vi cuu) OR (vinh cuu)) tre*".