Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
ky sang » ky dang, ky tang, duy sang
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
va cuu » va chu, va huu
va cau » van cau, va cac, va dau

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 sang) or (ky nang)) xa hoi. hieu ve cac xuc va hanh ((va cuu) or (va cau)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky sang) OR (ky nang)) xa hoi. hieu ve cac xuc va hanh ((va cuu) OR (va cau)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky sang) or (ky nang)) xa hoi. hieu ve cac xuc va hanh ((va cuu) or (va cau)) tre*.