Perhaps you should try some spelling variations:
nham nang » phap nang, cam nang, kha nang
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, vu khach
cam duc » cam xuc, cao duc, nam duoc
hieu ve » hieu va, hieu van
su sach » so sach
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
vi cua » vai cua, di cua

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) OR (su sach)) nham nang ma hoi. hieu ve ((cam duc) or (pham duc)) va thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) nham nang ma hoi. hieu ve ((cam duc) OR (pham duc)) va thanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (su sach)) nham nang ma hoi. hieu ve ((cam duc) or (pham duc)) va thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) OR (su sach)) nham nang ma hoi. hieu ve ((cam duc) or (pham duc)) va thanh vi cua tre*.