Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van thanh » ban thanh, van tuan
hieu van » hieu va, thien van, lieu va
ky dinh » ky sinh, ky danh, ky kinh
dinh xa » dinh ba, dinh va, dinh xu
van cho » van chi, san cho, van chat
cua tre » cua te, cuu tre, dua tren
vu cao » cu cao, va cao
cho xu » chao xu, choi xu, cho du
xu van » tu van, vu van, su van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (vu cao)) ky dinh xa hoi. hieu van cho xu van thanh san ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (vu cao)) ky dinh xa hoi. hieu van cho xu van thanh san ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (vu cao)) ky dinh xa hoi. hieu van cho xu van thanh san ((cua tre) or (cua triet))*.