Perhaps you should try some spelling variations:
pham huu » pham duc, pham duy, phan huy
danh vai » danh sai, danh va, doanh van
te sach » toc sach
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, v nang, may nang
huu va » cuu va, tuu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((y nang) or (ly nang)) xa hoi. hieu ve pham huu va danh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ly nang)) xa hoi. hieu ve pham huu va danh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (ly nang)) xa hoi. hieu ve pham huu va danh vai cua tre*.