Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hinh thai » sinh thai, tinh thai, dinh thi
cam tuc » cam xuc, cam tu, nam thuc
qua cam » qua cham, qua cac, qua ca
mai hoi » mai khoi, dai hoi, lai hoi
va nang » van nang, da nang, cam nang
tuc va » thuc va, truc va, tuc xa
v nang » vu nang, van nang, voi nang
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: thuoc sach ((v nang) OR (va nang)) mai hoi. hieu qua cam tuc va ((hinh thai) or (dung tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ((v nang) OR (va nang)) mai hoi. hieu qua cam tuc va ((hinh thai) OR (dung tai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ((v nang) OR (va nang)) mai hoi. hieu qua cam tuc va ((hinh thai) or (dung tai)) cua te".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ((v nang) OR (va nang)) mai hoi. hieu qua cam tuc va ((hinh thai) or (dung tai)) cua te*.