Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
dia danh » gia dinh
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
vu sach » vu bach, su sach, vu khach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
vi cau » va cau, ve cau, di cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y nang ma hoi. hieu ve cac xuc ((va hanh) or (((dia danh) OR (dia ban)))) vi cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang ma hoi. hieu ve cac xuc ((va hanh) OR (((dia danh) OR (dia ban)))) vi cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang ma hoi. hieu ve cac xuc ((va hanh) or (((dia danh) OR (dia ban)))) vi cau tren".
• Adding a wildcard symbol may retrieve word variants: vu sach y nang ma hoi. hieu ve cac xuc ((va hanh) or (((dia danh) OR (dia ban)))) vi cau tren*.