Perhaps you should try some spelling variations:
nhan viec » nhan vien, nhan viet, nha viec
thu sach » tu sach, thuat sach, thuoc sach
thu sac » thu san, thu xac, thu dac
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cao » va cao, ve bao, ve cac
suc va » tuc va, luc va, soc va
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) OR (thu sach)) ky nang xa hoi. hieu ve cao ((suc va) or (duc va)) nhan viec cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sac) OR (thu sach)) ky nang xa hoi. hieu ve cao ((suc va) OR (duc va)) nhan viec cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sac) OR (thu sach)) ky nang xa hoi. hieu ve cao ((suc va) or (duc va)) nhan viec cua te".
• Adding a wildcard symbol may retrieve word variants: ((thu sac) OR (thu sach)) ky nang xa hoi. hieu ve cao ((suc va) or (duc va)) nhan viec cua te*.