Perhaps you should try some spelling variations:
tranh thanh » tran thanh, trinh thanh, thanh thanh
sach tranh » canh tranh
chau sach » cau sach, hau sach, khau sach
thanh van » thanh san, thanh toan, thanh phan
nang xa » nang x, lang xa, nang ma
tu nang » tru nang, tu nong, tu nano
va chau » va chat, va cau, va cham
van cua » vang cua, ban cua, dan cua
su cac » tu cac, su cao, eu cac
su can » su van, su cao, tu can

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((su cac) or (su can)) tu nang xa hoi. lieu va chau sach tranh thanh van cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cac) OR (su can)) tu nang xa hoi. lieu va chau sach tranh thanh van cua vat.
• Adding a wildcard symbol may retrieve word variants: ((su cac) or (su can)) tu nang xa hoi. lieu va chau sach tranh thanh van cua vat*.