Perhaps you should try some spelling variations:
viec lam » viec va
viec cam » viec cua, viec va, vien cac
bai cua » ban cua, bai ca, hai cua
va hanh » van hanh, va thanh, va danh
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, xa hoi, ma hoa

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 y nang ma hoi. hieu ((viec cam) OR (viec lam)) xuc va hanh ((bai cua) or (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ma hoi. hieu ((viec cam) OR (viec lam)) xuc va hanh ((bai cua) OR (dai cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang ma hoi. hieu ((viec cam) OR (viec lam)) xuc va hanh ((bai cua) or (dai cua)) triet".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ma hoi. hieu ((viec cam) OR (viec lam)) xuc va hanh ((bai cua) or (dai cua)) triet*.