Perhaps you should try some spelling variations:
nang dai » nang dau, lang dai, nang cai
nang tai » hang tai, tang tai, sang tai
hieu sau » hieu su, hieu suat, tieu su
sau chan » cau chan, mau chan, san chang
chan xuc » chat xuc, chang xue, cam xuc
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
cua te » cua tu

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 dai) or (nang tai)) hoi. hieu sau chan xuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang dai) OR (nang tai)) hoi. hieu sau chan xuc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang dai) or (nang tai)) hoi. hieu sau chan xuc va hanh vi cua te*.