Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
duc danh » duc anh, duc manh, duc dan
duc hanh » duc thanh, duc anh, du hanh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
va pham » van pham, va phat, va phap
vai cua » dai cua, hai cua, lai cua
cua te » cua tu

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 ky nang x ho. hieu va pham ((duc danh) or (duc hanh)) thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x ho. hieu va pham ((duc danh) OR (duc hanh)) thanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x ho. hieu va pham ((duc danh) or (duc hanh)) thanh vai cua te*.