Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nhan viec » nhan vien, nhan viet, nha viec
van nhan » van phan, van thanh, danh nhan
thu sang » thu hang, thu san, thu bang
vu kham » vu khanh
soc van » hoc van, oc van, sac van
ky tang » ky dang, kho tang, ky trong
ve kham » va kham, ve cham, ve khai
ma noi » ha noi, ma moi, va noi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sang ((ky tang) OR (ky nang)) ma noi. hieu ((ve kham) or (vu kham)) soc van nhan viec cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sang ((ky tang) OR (ky nang)) ma noi. hieu ((ve kham) OR (vu kham)) soc van nhan viec cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sang ((ky tang) OR (ky nang)) ma noi. hieu ((ve kham) or (vu kham)) soc van nhan viec cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sang ((ky tang) OR (ky nang)) ma noi. hieu ((ve kham) or (vu kham)) soc van nhan viec cua triet*.