Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
nang tay » nang tai, nang tao, mang tay
bang tay » ban tay, bang may, mang tay
phat tuc » phan tu, luat tuc, pham tu
te sach » toc sach
hieu va » lieu va, hieu qua
xa hanh » xa thanh, xa khanh, va hanh
vi cua » vai cua, di 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: ((te sach) or (thu sach)) ky ((nang tay) OR (bang tay)) hoi. hieu va phat tuc xa hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) ky ((nang tay) OR (bang tay)) hoi. hieu va phat tuc xa hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (thu sach)) ky ((nang tay) OR (bang tay)) hoi. hieu va phat tuc xa hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) ky ((nang tay) OR (bang tay)) hoi. hieu va phat tuc xa hanh vi cua te*.