Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tinh tien » trinh tien, tinh dien, minh tien
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
tien cua » trien cua, tiep cua, dien cua
nang xa » nang x, lang xa, nang ma
thuc va » thuc vat, thuc dan, thuc day
va tinh » may tinh

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 ky) OR (cac ky))) or (sai ky)) nang xa hoi. hieu van nam thuc va tinh tien cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((((sac ky) OR (cac ky))) OR (sai ky)) nang xa hoi. hieu van nam thuc va tinh tien cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((((sac ky) OR (cac ky))) or (sai ky)) nang xa hoi. hieu van nam thuc va tinh tien cua triet".
• Adding a wildcard symbol may retrieve word variants: tu ((((sac ky) OR (cac ky))) or (sai ky)) nang xa hoi. hieu van nam thuc va tinh tien cua triet*.