Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
nang doc » nang luc
chat xuc » chat huu, cam xuc, chao xu
cham xuc » cam xuc, cham soc, chao xu
sach ky » sac ky, sach y, sach ty
dinh va » dinh van, dinh ve, tinh va
va dinh » van dinh, va kinh, va tinh
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
doc hoc » duoc hoc, toc hoc, duc hoc
va cau » van cau, va cac, va dau

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 doc hoc. hieu ve ((((cham xuc) or (pham duc))) or (chat xuc)) va dinh va cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang doc hoc. hieu ve ((((cham xuc) OR (pham duc))) OR (chat xuc)) va dinh va cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang doc hoc. hieu ve ((((cham xuc) or (pham duc))) or (chat xuc)) va dinh va cau tren*.