Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va doanh » van doanh, vay doanh, va danh
doanh va » doan va, doanh tai, doanh cua
sach ty » sach y, sach tu, sach thu
nang ma » tang ma, sang ma, mang may
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
va cua » va chua, via cua, ca cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty ((nang ma) or (nang cao)) hoi. hieu ve cac xuc va doanh va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty ((nang ma) OR (nang cao)) hoi. hieu ve cac xuc va doanh va cua te*.