Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thuc » cach thuc, sach thu, sach thue
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
tinh lap » trinh lap, tinh lao, dinh lap
hanh xa » hanh va, hanh ma, hanh xu
cac dac » cac dan, cac dai, cac tac
cac bac » cac bai, cac ban, cac cach
va tinh » may tinh
lap cua » lai cua, tap cua, lam cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach thuc hanh xa hoi. hieu van ((cac dac) or (cac bac)) va tinh lap cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach thuc hanh xa hoi. hieu van ((cac dac) OR (cac bac)) va tinh lap cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sach thuc hanh xa hoi. hieu van ((cac dac) or (cac bac)) va tinh lap cua triet*.