Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
ban thanh » ban hanh, ban hang
su sach » so sach, vu sach
van cua » vang cua, ban cua, dan cua
cam duc » cao duc, pham duc, nam duoc
hang ca » hang va, nang cao, hang tai
ty hang » ly hang, ty xang, thi hang
so sanh » do sanh
ca hoi » cau hoi, cua hoi, xa hoi
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) or (so sanh)) ty hang ca hoi. hieu qua ((cam duc) or (cam xuc)) ban thanh van cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ty hang ca hoi. hieu qua ((cam duc) OR (cam xuc)) ban thanh van cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ty hang ca hoi. hieu qua ((cam duc) or (cam xuc)) ban thanh van cua te*.