Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
tinh vai » tinh va, tinh hai, tinh bai
tu sach » thu sach, su sach, te sach
vai cua » dai cua, hai cua, lai cua
va tinh » may tinh
va cham » va chat, va tham
xuc va » duc va, tuc va, luc va
cua te » cua tu
ve cam » ve cham, ve cac, va cam

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) or (toc sach)) ky nang x ho. hieu ((ve cam) or (va cham)) xuc va tinh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (toc sach)) ky nang x ho. hieu ((ve cam) OR (va cham)) xuc va tinh vai cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (toc sach)) ky nang x ho. hieu ((ve cam) or (va cham)) xuc va tinh vai cua te*.