Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lai » thanh hai, thanh lap, thanh loi
dang xay » dang van, van xay
hieu van » hieu va, thien van, lieu va
van cam » van nam, van lam, van cau
duc van » duc va, duc manh, duc phan
lang xa » lang ha, lang van
lai cua » dai cua, hai cua, lai chau
thu san » thuy san, thu ban, phu san
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 ((lang xa) or (dang xay)) hoi. hieu van cam ((duc van) or (duc tan)) thanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu san ky ((lang xa) OR (dang xay)) hoi. hieu van cam ((duc van) OR (duc tan)) thanh lai cua triet.
• Adding a wildcard symbol may retrieve word variants: thu san ky ((lang xa) or (dang xay)) hoi. hieu van cam ((duc van) or (duc tan)) thanh lai cua triet*.