Perhaps you should try some spelling variations:
thien va » thien van, tien va, thien tai
va thanh » gia thanh, ban thanh, va tinh
hang cau » hang dau, hang ca, nhung cau
va hanh » van hanh, va danh, ban hanh
va cham » va chat, va tham
tu sach » thu sach, su sach, tu cach
ky hang » ky nang, ly hang, ky dang
te sach » toc sach
su tien » su kien, su hien, tu tieng

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 (te sach)) ky hang cau hoi. thien va cham soc ((va hanh) or (va thanh)) lai su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky hang cau hoi. thien va cham soc ((va hanh) OR (va thanh)) lai su tien.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky hang cau hoi. thien va cham soc ((va hanh) or (va thanh)) lai su tien*.