Perhaps you should try some spelling variations:
duy sang » duy van, duy can, duy anh
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
via cua » gia cua, gian cua, giau cua
ma hoi » mai hoi, xa hoi, ma hoa
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 ((duy sang) or (ky nang)) ma hoi. hieu va cac xuc van hanh ((ca cua) or (via cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((duy sang) OR (ky nang)) ma hoi. hieu va cac xuc van hanh ((ca cua) OR (via cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((duy sang) or (ky nang)) ma hoi. hieu va cac xuc van hanh ((ca cua) or (via cua)) tre*.