Perhaps you should try some spelling variations:
vay hanh » van hanh, va hanh, vay khach
su triet » su viet, su tien, ve triet
hanh ky » hanh kem
nang xa » nang x, lang xa, nang ma
van bac » van ban, van bao, van hac
van cau » van dau, van hau, van chat
va tinh » may tinh
tinh vi » trinh vi, tinh voi, tinh va
cuu tre » cua tre, cau tren, cau treo

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

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