Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
cua triet » cua viet, su triet, va triet
thu sang » thu hang, thu san, thu bang
ly trung » le trung, ly trong, sy trung
trung ha » trung hoc, trung tam, trung cap
van nhan » van phan, van thanh, danh nhan
sang ly » hang ly, bang ly, dang ly
hieu tu » chieu tu, hieu tuc, hien tu
tu cham » toc cham, thi cham

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sang ly trung ha noi. hieu tu cham thuc ((van nhan) or (benh nhan)) viec cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sang ly trung ha noi. hieu tu cham thuc ((van nhan) OR (benh nhan)) viec cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sang ly trung ha noi. hieu tu cham thuc ((van nhan) or (benh nhan)) viec cua triet*.