Perhaps you should try some spelling variations:
thuoc sach » hoc sach, thuat sach, thuoc sinh
nuoc sach » nguoi sach, hoc sach, cuoc cach
hinh thai » sinh thai, tinh thai, dinh thi
cam tuc » cam xuc, cam tu, nam thuc
qua cam » qua cham, qua cac, qua ca
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa
v nang » va nang, vu nang, van 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) OR (nuoc sach)) v nang ma 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) OR (nuoc sach)) v nang ma 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) OR (nuoc sach)) v nang ma hoi. hieu qua cam tuc va ((hinh thai) or (dung tai)) cua te".
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) OR (nuoc sach)) v nang ma hoi. hieu qua cam tuc va ((hinh thai) or (dung tai)) cua te*.