Perhaps you should try some spelling variations:
nhan tien » nhan vien, nhan dien, phan tien
tien cua » trien cua, tiep cua, dien cua
thu sac » thu sach, thu san, thu xac
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
ve bao » te bao, va bao
cua te » cua tu
su ca » su cao, su can, su cua

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 tang xa hoi. hieu ((ve cac) or (ve bao)) su ca nhan tien cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky tang xa hoi. hieu ((ve cac) OR (ve bao)) su ca nhan tien cua te.
• Adding a wildcard symbol may retrieve word variants: thu sac ky tang xa hoi. hieu ((ve cac) or (ve bao)) su ca nhan tien cua te*.