Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
dua tren » dung tren
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
cuu tre » cua tre, cau tren, cau treo
va dauh » va danh, va doanh
hieu ve » hieu va, hieu van
tai roi » lai roi, tai hoi, tai loi
va dau » va dao
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: vu sach ky nang tai roi. hieu ve cam xuc ((va dauh) or (va dau)) dai ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang tai roi. hieu ve cam xuc ((va dauh) OR (va dau)) dai ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang tai roi. hieu ve cam xuc ((va dauh) or (va dau)) dai ((dua tren) or (cuu tre))*.