Perhaps you should try some spelling variations:
danh tai » doanh tai, dinh tai, hanh tai
tu sach » thu sach, su sach, te sach
va danh » va dinh, va dan, va hanh
vu cham » va cham, vu kham, tu cham
cuc tre » duc tre, cua tre, cuu tre
tao hoi » tao khoi, tao boi, tay hoi
ky dang » ky nang, ky danh
ky sang » ky nang, ky tang, duy sang
xuc va » duc va, tuc va, luc va
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 ((ky sang) OR (ky dang)) tao hoi. hieu ((ve cam) or (vu cham)) xuc va danh tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky sang) OR (ky dang)) tao hoi. hieu ((ve cam) OR (vu cham)) xuc va danh tai cuc tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky sang) OR (ky dang)) tao hoi. hieu ((ve cam) or (vu cham)) xuc va danh tai cuc tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky sang) OR (ky dang)) tao hoi. hieu ((ve cam) or (vu cham)) xuc va danh tai cuc tre*.