Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
phan viec » phan viet, nhan vien, phan kien
van phan » van phong, van thanh, luan phan
soc van » hoc van, oc van, sac van
vu kham » vu khanh
thu san » thuy san, thu ban, phu san
dung ha » dung va, dung he, dung khoa
dang ha » dong ha, lang ha, tang ha
vu cham » va cham, tu cham, qua cham
san ky » sang ky, van ky, dan ky

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

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