Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thu sach » tu sach, thuoc sach, thu hoach
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
dau tren » dau tien, dat tren, dau tieng
may hoi » may thoi, tay hoi, mai hoi
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
xuc van » duc van, luc van, vuc van
y mang » cay mang
vi dau » vi dai, va dau, bi dau

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) or (thuat sach)) y mang may hoi. hieu va chat xuc van hanh vi dau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat sach)) y mang may hoi. hieu va chat xuc van hanh vi dau tren.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuat sach)) y mang may hoi. hieu va chat xuc van hanh vi dau tren*.