Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tinh vien » sinh vien, tinh dien, tinh viet
tang van » dang van, hoang van, trong van
vien cua » viec cua, dien cua, tien cua
va tinh » may tinh
nam luc » nang luc, nhan luc, nam thuc
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
va nam » van nam, ha nam, va nay
luc va » duc va, tuc va, loc va
tu san » thu san, tu ban, tu can
tu sac » tu sach, tu cac, tu bac

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

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