Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
lap hai » lap tai, lap lai, lap hoat
ky dang » ky nang, ky danh
ky sang » ky nang, ky tang, duy sang
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
va dan » ca dan, va dao, va dau
dan vi » doan vi, don vi, dan va
vi cua » vai cua, di 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: ((tu sach) OR (thu sach)) ((ky sang) or (ky dang)) lap hai. hieu ve cac xuc va dan vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ((ky sang) OR (ky dang)) lap hai. hieu ve cac xuc va dan vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ((ky sang) or (ky dang)) lap hai. hieu ve cac xuc va dan vi cua te*".