Perhaps you should try some spelling variations:
vinh cuu » dinh cuu, sinh cua, dinh cu
van quan » van ban
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
lang xa » lang ha, dang xay, lang van
cuu tre » cua tre, cau tren, cau treo

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 ((lang xa) or (nang ma)) hoi. hieu ve cham xuc ((van hanh) or (van quan)) vinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((lang xa) OR (nang ma)) hoi. hieu ve cham xuc ((van hanh) OR (van quan)) vinh cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((lang xa) or (nang ma)) hoi. hieu ve cham xuc ((van hanh) or (van quan)) vinh cuu tre*.