Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
thanh vai » thanh hai, thanh van, thanh tai
hieu van » hieu va, thien van, lieu va
cua tre » cuu tre, cua triet, dua tren
su sach » so sach, vu sach
duc ban » duc tan, duc van, dua ban
nam duc » nam duoc, pham duc, nam thuc
nang xa » nang x, lang xa, nang ma
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: su sach v nang xa hoi. hieu van nam duc ban ((thanh vai) or (thanh phan)) ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach v nang xa hoi. hieu van nam duc ban ((thanh vai) OR (thanh phan)) ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach v nang xa hoi. hieu van nam duc ban ((thanh vai) or (thanh phan)) ((cua tre) or (cua te))*.