Perhaps you should try some spelling variations:
chinh tai » chinh tri
toc sach » hoc sach, doc sach, thuoc sach
cam truc » cau truc, nam truc, lam truoc
hinh tai » hinh thai, hinh bai, chinh tri
nang xa » nang x, lang xa, nang ma
qua cam » qua cham, qua cac, qua ca
truc va » thuc va, thuc vat, trung va
sach v » sach va, sach y, sach 2
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: toc sach v nang xa hoi. hieu qua cam truc va ((((hinh tai) or (chinh tai))) or (dung tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach v nang xa hoi. hieu qua cam truc va ((((hinh tai) OR (chinh tai))) OR (dung tai)) cua te.
• Adding a wildcard symbol may retrieve word variants: toc sach v nang xa hoi. hieu qua cam truc va ((((hinh tai) or (chinh tai))) or (dung tai)) cua te*.