Perhaps you should try some spelling variations:
tang dan » tang van, tung dan, tang luan
hieu sau » hieu su, hieu suat, tieu su
ky tang » ky nang, ky dang, kho tang
dan moi » ban moi, dai moi, dan hoi
sau cam » sau lam, cau cham, sau chan
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky tang dan moi. hieu sau cam ((xuc va) or (tuc va)) hanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang dan moi. hieu sau cam ((xuc va) OR (tuc va)) hanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang dan moi. hieu sau cam ((xuc va) or (tuc va)) hanh vi cua tu*.