Perhaps you should try some spelling variations:
hieu nghiep » lieu nghien, nghiep nghiep, trien nghiep
nghiep va » nghiep vu
danh bat » doanh bat, anh bai, dinh ba
danh sai » dung sai, danh dau, hanh san
tu sach » thu sach, su sach, te sach
cua tre » cua te, cuu tre, cua triet
tang ma » mang may, tang van
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
thu xa » thu xac, thu ha, thu ba

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 tang ma hoa. hieu nghiep va ((thu xa) or (thu xe)) ((danh sai) OR (danh bat)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky tang ma hoa. hieu nghiep va ((thu xa) OR (thu xe)) ((danh sai) OR (danh bat)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky tang ma hoa. hieu nghiep va ((thu xa) or (thu xe)) ((danh sai) OR (danh bat)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky tang ma hoa. hieu nghiep va ((thu xa) or (thu xe)) ((danh sai) OR (danh bat)) cua tre*.