Perhaps you should try some spelling variations:
tang lap » sang lap, tan lap, tang lao
su sach » so sach, vu sach
va dauh » va danh, va doanh
tang ap » tang van, tang tai, tang dan
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, chat xuc
vi cua » vai cua, di cua
va dau » va dao
ve cac » va cac, vien cac
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: su sach ky ((tang lap) OR (tang ap)) hai. hieu ve cac xuc ((va dauh) or (va dau)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((tang lap) OR (tang ap)) hai. hieu ve cac xuc ((va dauh) OR (va dau)) vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((tang lap) OR (tang ap)) hai. hieu ve cac xuc ((va dauh) or (va dau)) vi cua te".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((tang lap) OR (tang ap)) hai. hieu ve cac xuc ((va dauh) or (va dau)) vi cua te*.