Perhaps you should try some spelling variations:
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
va cua » va chua, via cua, ma cua
ca cua » co cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty nang xa hoi. hieu ve cam xuc va danh ((va cua) or (ca cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu ve cam xuc va danh ((va cua) OR (ca cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu ve cam xuc va danh ((va cua) or (ca cua)) tre*.