Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, vien da
nang xa » nang x, lang xa, mang xa
va hanh » van hanh, va thanh, va danh
nang ma » tang ma, sang ma, nang cao
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
va cam » va cham, va cac, va cao
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
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 sac ky ((nang xa) or (nang ma)) hoi. hieu ((vien cac) or (va cam)) xuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((nang xa) OR (nang ma)) hoi. hieu ((vien cac) OR (va cam)) xuc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang xa) or (nang ma)) hoi. hieu ((vien cac) or (va cam)) xuc va hanh vi cua te*.