Perhaps you should try some spelling variations:
thien van » thi van
va thanh » gia thanh, ban thanh, va tinh
su triet » su viet, su tien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
cac thu » cach thuc, cac thoi
khao ky » khao ly
van cac » van hac, van cau, van bac
thao ky » than ky, thai ky, thanh ky
cuu tre » cua tre, cau tren, cau treo
thu va » thuc va, thue va, tu va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vay ((khao ky) or (thao ky)) nang x hoi. thien van cac thu va thanh vi ((su triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vay ((khao ky) OR (thao ky)) nang x hoi. thien van cac thu va thanh vi ((su triet) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: vay ((khao ky) or (thao ky)) nang x hoi. thien van cac thu va thanh vi ((su triet) or (cuu tre))*.