Perhaps you should try some spelling variations:
dieu kien » dieu khien, dien bien
kien coc » kien co, vien cac, dien cuc
hanh tai » thanh tai, hang tai, han tai
ve triet » va trien, su triet
bai hoc » dai hoc
va hanh » van hanh, va thanh, ban hanh
tu san » thu san, tu ban, tu can
san ly » van ly, ban ly
luc va » duc va, tuc va, loc va
tai ve » tai va, tai he, tai le

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 ly va bai hoc. dieu kien coc luc va hanh tai ve triet~.
• Adding a wildcard symbol may retrieve word variants: tu san ly va bai hoc. dieu kien coc luc va hanh tai ve triet*.