Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
vien cua » viec cua, dien cua, tien cua
van nhan » van phan, danh nhan, van khanh
thu sac » thu sach, thu san, thu xac
va cao » va cac, va co, va dao
sac ky » cac ky, sai ky
ve cao » ve bao, ve cac, ve co
cua te » cua tu
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: thu sac ky nang x hoi. hieu ((ve cao) or (va cao)) luc ((van nhan) or (van thanh)) vien cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang x hoi. hieu ((ve cao) OR (va cao)) luc ((van nhan) OR (van thanh)) vien cua te.
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang x hoi. hieu ((ve cao) or (va cao)) luc ((van nhan) or (van thanh)) vien cua te*.