Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
vien cua » viec cua, dien cua, tien cua
nang ma » tang ma, sang ma, nang cao
nam luc » nang luc, nhan luc, nam thuc
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky nang ma hoi. hieu van nam luc ((va tinh) or (may tinh)) vien cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang ma hoi. hieu van nam luc ((va tinh) OR (may tinh)) vien cua triet.
• Adding a wildcard symbol may retrieve word variants: tu san ky nang ma hoi. hieu van nam luc ((va tinh) or (may tinh)) vien cua triet*.