Perhaps you should try some spelling variations:
tham thuc » nham thuc, pham thuc, tam thuc
thu sach » tu sach, thuat sach, thuoc sach
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
tham xuc » tham nuoc, pham duc, cam xuc
nang tai » hang tai, tang tai, sang tai
nang mai » nang ma, lang mai, nang cai
sach ky » sac ky, sach y, sach ty
cu tren » tu tren, dua tren
vi cu » vi su, vi xu, vi du

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 ky ((nang mai) or (nang tai)) hoi. lieu va ((tham xuc) or (tham thuc)) va thanh vi cu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky ((nang mai) OR (nang tai)) hoi. lieu va ((tham xuc) OR (tham thuc)) va thanh vi cu tren.
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((nang mai) or (nang tai)) hoi. lieu va ((tham xuc) or (tham thuc)) va thanh vi cu tren*.