Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
nang xa » lang xa, nang ma, mang xa
cam tuc » cam xuc, cam tu, nam thuc
xa hanh » xa thanh, xa khanh, va hanh
hanh de » hanh ve, hanh kem
va cam » va cham, va cac, va cao
de cua » le cua, te cua, dieu cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (thu sach)) ky ((nang xa) or (nang x)) hoi. lieu va cam tuc xa hanh de cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thu sach)) ky ((nang xa) OR (nang x)) hoi. lieu va cam tuc xa hanh de cua viet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thu sach)) ky ((nang xa) or (nang x)) hoi. lieu va cam tuc xa hanh de cua viet*.