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