Perhaps you should try some spelling variations:
sang tao » hang tai
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
tao hoi » tao khoi, tao boi, tay hoi
ky sang » ky nang, ky dang, ky tang
ve cam » ve cham, ve cac, va cam
va dan » ca dan, va dao, va dau
tai du » tai tu, tri du, tai su
du tre » duc tre, du tru, dua tren

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 (thu sach)) ky sang tao hoi. hieu ve cam xuc ((va dan) or (va hanh)) tai du tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky sang tao hoi. hieu ve cam xuc ((va dan) OR (va hanh)) tai du tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky sang tao hoi. hieu ve cam xuc ((va dan) or (va hanh)) tai du tre*.