Perhaps you should try some spelling variations:
hieu danh » dieu danh, hieu manh, tieu danh
danh nhan » doanh nhan, thanh nhan, benh nhan
nhan luc » nang luc
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
va hanh » va thanh, va danh, ban hanh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
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: su sach v nang ma hoi. hieu danh nhan luc ((va hanh) OR (van hanh)) vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach v nang ma hoi. hieu danh nhan luc ((va hanh) OR (van hanh)) vai cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach v nang ma hoi. hieu danh nhan luc ((va hanh) OR (van hanh)) vai cua tre*.