Perhaps you should try some spelling variations:
vien cua » viec cua, dien cua, tien cua
thu sac » thu sach, thu san, thu xac
sac ky » cac ky, sai ky
ve cao » va cao, ve bao, ve co
ve cac » va cac, vien cac
luc va » tuc va, loc va
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 (ve cac)) ((luc va) or (duc va)) nhan 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 (ve cac)) ((luc va) OR (duc va)) nhan vien cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sac ky nang x hoi. hieu ((ve cao) OR (ve cac)) ((luc va) or (duc va)) nhan vien cua te".
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang x hoi. hieu ((ve cao) OR (ve cac)) ((luc va) or (duc va)) nhan vien cua te*.